LOS ANGELES (CBSLA.com) — Airlines at Los Angeles International Airport reported resuming operations Tuesday after a ticketing system outage was blamed for delays for over a dozen flights.

Airport operations personnel reported experiencing technical problems at around 9:30 p.m. Monday night after a system outage on the worldwide online reservation system SABRE forced delays of up to 45 minutes for as many as 17 flights, accoring to LAX spokesperson Nancy Castles.

READ MORE: LA County To Consider $10K Reward For Information In Tioni Theus Killing, Teen Found On Side Of 110 Freeway

Both domestic and international carriers were affected, including Frontier, American, American Eagle, JetBlue, and Alaska, and Cathay Pacific, Qantas, and British Airways.

READ MORE: Wildlife Waystation Founder Martine Colette Dies At 79

Airlines performed manual check-ins during the system outage to minimize flight schedule impacts, Castles said.

MORE NEWS: Beyoncé, Kim Kardashian, Diana Ross & More Share Tributes To Fashion Designer Thierry Mugler

Travelers headed to LAX were urged to check their flight status with their airlines by phone or website before coming to the airport, Castles said.