OnTimeRoutes
F

Frontier Airlines PHL to ORD on-time performance

Frontier Airlines nonstop flights from Philadelphia to Chicago · Aug 2025 – Jul 2026

On-time arrivals
57%
arrived < 15 min late
Cancelled
5.2%
10 flights
Avg arrival delay
55 min
127 min when late
Rank on route
#4 of 4
route average 73% on time

Key facts

  • Frontier Airlines flights on PHL to ORD arrived on time 57% of the time in Aug 2025 – Jul 2026.
  • 5.2% were cancelled, and 23% arrived an hour or more late.
  • That ranks #4 of 4 airlines on this route, which averaged 73% on time overall.
  • The largest source of delay minutes was late-arriving aircraft (46%).

On-time trend by month

10%55%100%July 2025: 31.3% on time, 5.9% cancelledJul ’25August 2025: 47.1% on time, 5.6% cancelledAug ’25September 2025: 75.0% on time, 0.0% cancelledSep ’25October 2025: 71.4% on time, 0.0% cancelledOct ’25November 2025: 58.8% on time, 10.5% cancelledNov ’25December 2025: 54.5% on time, 0.0% cancelledDec ’25January 2026: 64.3% on time, 0.0% cancelledJan ’26February 2026: 42.9% on time, 12.5% cancelledFeb ’26March 2026: 57.1% on time, 12.5% cancelledMar ’26April 2026: 53.3% on time, 0.0% cancelledApr ’26May 2026: 70.0% on time, 4.8% cancelledMay ’26June 2026: 60.0% on time, 4.8% cancelledJun ’26July 2026: 22.2% on time, 14.3% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Late-arriving aircraft46%
  • Air traffic control & airport congestion42%
  • Airline (crew, maintenance, cleaning, fueling)11%
  • Extreme weather1%
  • Security0%

Other airlines on PHL to ORD

Full PHL to ORD comparison →
Frontier Airlines on-time record across all routes →

193 Frontier Airlines flights tracked on this route; 10 cancelled, 0 diverted.

Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.