Can I claim compensation if my flight is cancelled due to weather?
Usually not if weather genuinely caused the cancellation.
Section 10(1)(c) of the Air Passenger Protection Regulations (APPR) identifies "meteorological conditions or natural disasters that make the safe operation of the aircraft impossible" as situations outside the carrier's control. If your cancellation falls within that category, standardized compensation for inconvenience under section 19 is not payable.
That does not leave the airline with no obligations.
The carrier must still provide the information required by the APPR and must provide alternate travel arrangements or a refund under the section 18 framework. Those rights apply even when nobody could reasonably blame the airline for the storm.
The weather explanation also has to fit the facts.
In a complaint to the Canadian Transportation Agency, the law presumes that a disruption was within the carrier's control and not required for safety unless the carrier proves otherwise. That statutory burden applies specifically to the CTA complaint process. In a provincial court or tribunal proceeding, the applicable burden and evidentiary rules depend on the forum and the legal basis of the claim.
If the airline says "weather," preserve that explanation and ask for the factual basis behind it. If the evidence ultimately shows that weather did not cause your particular disruption, or that a later disruption had a different cause, compensation may still come into play.
What "outside the airline's control" means under the APPR
Section 10 does not make every weather-related inconvenience an outside-control disruption.
The Regulation refers specifically to meteorological conditions or natural disasters that make the safe operation of the aircraft impossible. Weather can also affect a flight indirectly through air traffic control instructions, NOTAMs, airport-operation issues or an earlier flight disruption.
The important question is therefore not simply whether it snowed, rained or became windy somewhere in the airline's network.
The question is what caused your disruption.
A severe snowstorm that closes runways, produces an airport ground stop or prevents safe aircraft operation is a straightforward example of an outside-control event. The fact that another aircraft managed to depart during the same period does not necessarily prove that your airline's weather explanation is false. Different aircraft, routes, departure times, crews and operational restrictions can produce different outcomes.
On the other hand, a vague reference to "weather" does not answer every question either. If the weather event occurred much earlier or at another airport, the carrier may be relying on the knock-on provisions in section 10(2). In that situation, the later disruption must be directly attributable to the earlier outside-control event, and the airline must have taken all reasonable measures to mitigate its impact.
Preserve what the airline tells you at each stage. If the explanation changes from weather to crew availability, aircraft positioning or another operational reason, keep every version.
What you still get: rebooking within 48 hours or a refund
Section 18 governs alternate travel and refunds for cancellations and qualifying delays outside the airline's control.
The airline must first provide you, free of charge, with a confirmed reservation on the next available flight operated by it or by a carrier with which it has a commercial agreement. The flight must travel on a reasonable route to the destination shown on your original ticket and must depart within 48 hours of the departure time on that ticket.
If the airline cannot provide that reservation within 48 hours, you then have a choice between a refund and further alternate transportation.
For a large carrier, the further transportation must be the next available flight operated by any carrier on a reasonable route from your airport, or from another airport within a reasonable distance if necessary. If you have to depart from the other airport, the original carrier must provide transportation there.
For a small carrier, the further rebooking obligation is more limited: it remains a flight operated by the original carrier or a carrier with which it has a commercial agreement.
If you become entitled to a refund because the airline cannot provide the initial section 18 rebooking, you may choose that refund at any time before you are provided with the confirmed reservation.
If you are already away from your point of origin and continuing the trip no longer serves a purpose because of the disruption, the airline must refund the ticket and provide a confirmed reservation back to your point of origin, free of charge.
Refunds must generally be returned to the person who purchased the ticket using the original payment method within 30 days after the airline becomes obligated to provide the refund.
An airline can offer another form of refund, such as a voucher, only if the statutory conditions are met. You must be told in writing what the original refund is worth and that you are entitled to receive it by the original payment method, the alternative cannot expire, and you must choose it in writing.
The airline must also provide the information required by section 13, including the reason for the disruption, possible compensation, applicable standards of treatment and your recourse against the carrier. During a delay, it must generally provide updates every 30 minutes until a new departure time is set or alternate travel arrangements are made.
What you do not get: meals and hotels
The APPR does not require section 14 standards of treatment for a genuine outside-control weather disruption.
That means the airline is generally not required under the APPR to provide meals, refreshments or hotel accommodation simply because a storm cancelled your flight.
Some airlines may nevertheless provide assistance, discounted hotel rates or other accommodations voluntarily. Travel insurance or credit-card insurance may also cover expenses that the APPR does not.
Keep your receipts regardless.
If the airline's classification later turns out to have been wrong, those receipts may become relevant to a reimbursement claim. They may also matter under another legal regime.
For qualifying international carriage, Article 19 of the Montreal Convention can provide a separate basis for claiming proven damages caused by delay. That is not automatic compensation. The passenger must establish the loss, and the airline can avoid liability if it proves that it and its servants and agents took all measures that could reasonably be required to avoid the damage, or that taking those measures was impossible.
Weather may be important to that defence, but the Montreal Convention does not simply say that the word "weather" eliminates every claim for actual losses.
When weather is not the real reason
Weather can begin a disruption without necessarily determining the legal classification of everything that happens afterwards.
The replacement flight has its own disruption. In Richardson et al. v. WestJet Airlines Ltd., 2023 NSSM 56, the passengers' original flight was cancelled because of weather. They accepted a replacement itinerary, but the replacement flight was itself delayed because of crew availability. The Nova Scotia Small Claims Court awarded $400 to each passenger. The earlier weather cancellation did not automatically determine the classification of the later disruption.
The airline relies on a knock-on effect but does not establish reasonable mitigation. Section 10(2) applies where a later disruption is directly attributable to an earlier outside-control delay or cancellation. The carrier must also have taken all reasonable measures to mitigate the impact of that earlier disruption.
In Lai v. Air Canada, 2023 BCCRT 772, the CRT considered an airline's reliance on an earlier outside-control disruption and whether Air Canada had demonstrated adequate mitigation during the substantial time available before the later flight. The case illustrates why proving the first outside-control event does not necessarily finish the analysis.
The immediate weather event has passed, but network disruption continues. Aircraft and crews can remain out of position long after a storm moves through. That does not automatically make the later cancellations controllable, nor does it automatically make them uncontrollable. If the airline relies on the earlier storm, section 10(2) requires a direct connection to that earlier disruption and reasonable mitigation.
The longer and more remote the chain becomes, the more important the evidence becomes.
How to check the real cause of your delay
- Preserve every airline notice. Save emails, text messages and app notifications with their timestamps. If a reason is given verbally, make a contemporaneous note of what was said. Do not discard an early explanation merely because the airline gives you a different one later.
- Save objective weather information. Environment and Climate Change Canada's historical observations can help establish what conditions actually existed at the relevant airport and time. Airport notices, runway closures, ground stops and other operational information can also be useful.
- Look at what was happening at the airport. Flight-tracking information can help establish the broader chronology, although the fact that another flight departed does not by itself establish that your flight could safely or operationally have done so.
- Ask the airline for details in writing. Ask what specific weather event caused your disruption, when it arose, and whether the airline relies on an earlier flight disruption. You can also request relevant delay or cancellation codes and operational information. The airline may not voluntarily disclose every internal record you request, but the request and response create a useful paper trail.
- If the airline relies on an earlier event, ask about mitigation. Ask how the earlier weather event affected your particular aircraft or crew, when the airline knew about the problem, and what measures it took to reduce the resulting disruption.
Decision-makers assess all of the evidence. A gate agent's statement can matter, but so can airport records, weather data, aircraft and crew history, airline operational records and the chronology of the disruption.
The goal is not to prove that the weather was pleasant.
It is to determine what actually caused your flight to be delayed or cancelled.
Weather versus mechanical problems
Different causes can produce different APPR rights. The classification is fact-specific, so the table below describes common situations rather than automatic results.
| Cause | APPR category | Compensation | Meals and hotel | Rebooking window |
|---|---|---|---|---|
| Weather that makes safe flight operations impossible | Outside control, section 10 | No | No APPR requirement | Own/partner flight within 48 hours, then further section 18 options |
| Unexpected mechanical problem genuinely required for safety | Within control, required for safety, section 11 | No | Yes, where section 14 conditions apply | Section 17: own/partner within 9 hours, then any carrier within 48 hours |
| Scheduled maintenance undertaken in compliance with legal requirements | Not "required for safety" under the APPR definition | Potentially, if all section 19 requirements are met | Yes, where section 14 conditions apply | Section 17 large-carrier rules |
| Crew availability problem | Depends on why the crew became unavailable | Potentially | Depends on classification | Depends on classification |
De-icing illustrates why labels can be deceptive. The need to remove snow or ice from an aircraft is obviously connected to safe operation in winter conditions, but the cause of a lengthy disruption can still require closer examination.
A delay might arise from the weather itself, an airport-wide de-icing queue, an airport-operation problem, an airline's own equipment or staffing issue, or a combination of factors.
Do not assume that every delay involving the word "de-icing" automatically belongs in the same APPR category. Ask what caused the delay and who controlled the relevant operation.
Snow, fog, wind and the Canadian winter
Canadian winter weather can disrupt an entire airline network rather than a single flight.
A storm at a major hub can delay inbound aircraft, displace crews, cause missed connections and affect flights at other airports hours later. Fog, high winds, freezing rain, runway contamination and low visibility can also restrict safe operations even where a passenger looking out the terminal window sees conditions that appear manageable.
This is why weather cases often turn on chronology.
If the airport closes a runway, air traffic control imposes restrictions, or conditions prevent safe operation at the scheduled departure time, the outside-control classification may be straightforward.
If the weather event occurred earlier and your flight was disrupted later because the aircraft or crew was somewhere else, the airline may be relying on section 10(2). It must then establish the direct connection to the earlier disruption and the reasonable measures it took to mitigate the impact.
Passengers can reduce practical risk by leaving more connection time during severe-weather seasons, considering earlier flights where convenient, and having travel insurance for expenses the APPR may not cover. Those precautions do not change the airline's legal obligations, but they can reduce the consequences of a disruption.