If you need to fix an error with the date or time of your flight, you can do so via the Qatar Airlines website. However, these changes may be subject to fees.

Have you already booked reservations with Qatar Airways, and due to some unavoidable reason, you wish to change your booking with the airline?

Read the online manage booking process of Qatar Airways here. You can speak to our airlines support +1-888-566-5066 (09AM to 06PM EST) for any query.

https://www.one-stophub.com/blog/qatar-airways-manage-booking