Delay of 30 min. is the norm. Tried to check in with mobile app. but can't seems like the flight was overbooked. Had to call the call center to check in over the phone and was bumped to front seat (upgraded). Definitely overlooking was the likely cause.
Some payment fees are estimated. Not all providers support all payment methods.
Hacker Fares sell tickets to/from a destination via different airlines and are subject to the booking
requirements and terms of each. Any changes made to one of your tickets will not necessarily grant
rights to change the other ticket. Fares change frequently and are subject to availability.
International travel may require proof of return flight.