Published at 0945GMT 12FEB24

Frontier Airlines last week announced network expansion at Philadelphia, with additional 9 routes scheduled from mid-May 2024, with majority are service resumptions.

Philadelphia – Chicago O'Hare eff 21MAY24 1 daily A320neo (Last served until September 2020)
Philadelphia – Columbus OH eff 22MAY24 3 weekly A320neo (Last served until October 2016)
Philadelphia – Detroit eff 16MAY24 1 daily A320neo
Philadelphia – Indianapolis eff 21MAY24 3 weekly A320neo (Last served until October 2018)
Philadelphia – Kansas City eff 22MAY24 3 weekly A320neo (Last served October 2022)
Philadelphia – Knoxville eff 16MAY24 3 weekly A320neo
Philadelphia – Pensacola eff 22MAY24 3 weekly A320neo (Last served until November 2019)
Philadelphia – Portland ME eff 16MAY24 3 weekly A320neo (Last served until August 2022)
Philadelphia – St. Louis eff 22MAY24 4 weekly A320neo

Previously reported additions:
Minneapolis/St. Paul – Philadelphia eff 21MAY24 1 daily A320neo (Last served until November 2015)
Pittsburgh – Philadelphia eff 16MAY24 2 daily A320neo

Frontier will be offering 39 routes from Philadelphia with 306 weekly departures by late-May 2024. In response to Frontier's further expansion, American Airlines has increased number of seats or frequencies offered starting 05JUN24 (selected routes may see variations). The following changes are based on week of 16-22JUN24, schedule comparison 04FEB24 vs 11FEB24.

Philadelphia – Columbus OH 35 weekly, increase from 3024 to 3388 seats
Philadelphia – Detroit Increase from 28 to 35 weekly (from 2492 to 4116 seats)
Philadelphia – Indianapolis Increase from 35 to 42 weekly (from 3752 to 4284 seats)
Philadelphia – Kansas City Increase from 21 to 28 weekly (from 2688 to 3584 seats)
Philadelphia – Knoxville Increase from 21 to 28 weekly (from 1232 to 2310 seats)
Philadelphia – Pensacola Increase from 7 to 14 weekly (from 532 to 1428 seats)
Philadelphia – Portland ME Increase from 21 to 28 weekly (from 2324 to 3220 seats)
Philadelphia – St. Louis Increase from 21 to 28 weekly (from 2324 to 3220 seats)