If Qatar Airways cancels your flight, your rights and available options depend on several factors, including the reason for the cancellation, the timing of the notification, and your departure and arrival locations.

1. Rebooking or Refund Options

Qatar Airways offers passengers whose flights are canceled the choice between:

• Rebooking: Booking you on the next available flight to your destination.

• Refund: Providing a full refund for the unused portion of your ticket.

These options are available regardless of whether the cancellation was within the airline's control or due to extraordinary circumstances.

2. Compensation Under EU Regulation EC 261/2004

If your flight was departing from an EU country or arriving in the EU on a European airline like Qatar Airways, and the cancellation was within the airline's control, you may be entitled to compensation under EU Regulation EC 261/2004. The compensation amounts are as follows:

• €250 for flights up to 1,500 km

• €400 for flights between 1,500 and 3,500 km

• €600 for flights over 3,500 km(en.wikipedia.org)

However, if Qatar Airways offers you an alternative flight that arrives within a certain time frame compared to your original arrival time, the compensation may be reduced by 50%. Additionally, compensation is not owed if the cancellation was due to extraordinary circumstances such as severe weather or air traffic control strikes.(qatarairways.com)

3. Assistance During Waiting Periods

If your flight is canceled and you are waiting for an alternative flight, Qatar Airways provides assistance, which may include:

• Meals and refreshments in reasonable proportion to the waiting time.

• Hotel accommodation if an overnight stay is necessary, including transportation between the airport and the hotel.

• Communication facilities, such as phone calls or emails.

4. Extraordinary Circumstances

If the cancellation was due to extraordinary circumstances beyond Qatar Airways' control, such as severe weather, political instability, or security risks, the airline is not required to provide compensation. However, they are still obligated to offer rebooking or refunds and provide assistance during waiting periods.

5. How to Claim Compensation

To claim compensation or request a refund, you can contact Qatar Airways directly through their official website or customer service channels. It's advisable to keep all relevant documentation, such as your booking reference, boarding passes, and receipts for any expenses incurred due to the cancellation.

6. Contact Information

For assistance, you can reach Qatar Airways' customer service at +1-833-845-1858. Alternatively, you can visit their official website at www.qatarairways.com for more information and to manage your booking.

In summary, if Qatar Airways cancels your flight, you are entitled to rebooking or a refund. Depending on the circumstances, you may also be eligible for compensation and assistance during waiting periods. It's important to understand your rights and contact the airline promptly to resolve the situation.