**Update: 21/05/21 @ 14:20 UTC – Additional statement provided by Sabre.**
American Airlines was among a number of carriers experiencing IT issues today, resulting in flight delays and frustrated travelers. Photos and video posted to Twitter show crowded airport check-in halls as would-be travelers suffered through the outage. The source of the outage had to do with one of the carrier’s systems provider, Sabre, which provides IT solutions for a large number of commercial airlines.
Reservation, check-in, and boarding issues across the country
Some airport check-in halls were crowded with travelers as a number of…