The "Flights" Customer Care department is reachable by:
+1-877-657-4874 (or +1-800-796-456-30 or +1-210-507-6512 if you are calling from outside the United States).
Remember to provide the promo code: 10029355
2) Online form
To view your reservation/s click here
To proceed with the Flight Online check in, click here
For all the other questions, please check our Flights – FAQ section