Philadelphia International Airport (PHL) delays & on-time performance
Philadelphia, Pennsylvania · 90 nonstop destinations · 12 airlines · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at PHL right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
On-time arrivals
76%
arrived < 15 min late
Cancelled
2.7%
2,731 flights
Avg arrival delay
20 min
80 min when late
Departed on time
76%
avg taxi-out 22 min
Figures cover 100,793 departures from PHL; on-time is measured at arrival. Arrivals into PHL were on time 77% of the time.
Key facts
- Flights departing Philadelphia International Airport (PHL) arrived on time 76% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 2.7% were cancelled, and 10% arrived an hour or more late.
- Delta Air Lines was the most punctual airline here (83% on time); Frontier Airlines was the least (69%).
- Departures scheduled around 5am did best (88% on time); around 5pm did worst (64%).
- The largest source of delay minutes was late-arriving aircraft (44%).
Most delayed routes from PHL
Lowest on-time arrival rates among regularly flown routes.
- DCA · Washington58%789 flts
- SJU · San Juan63%1,932 flts
- SEA · Seattle70%1,388 flts
- BDL · Hartford70%572 flts
- GSP · Greer71%441 flts
- MCO · Orlando72%5,334 flts
- SFO · San Francisco73%2,047 flts
- FLL · Fort Lauderdale73%3,507 flts
- TPA · Tampa73%2,652 flts
- RSW · Fort Myers73%1,331 flts
Most reliable routes from PHL
Highest on-time arrival rates among regularly flown routes.
- EYW · Key West83%493 flts
- SRQ · Sarasota/Bradenton83%462 flts
- SDF · Louisville81%608 flts
- IAH · Houston81%1,847 flts
- CLT · Charlotte80%3,521 flts
- PHX · Phoenix80%2,320 flts
- DTW · Detroit80%2,953 flts
- CMH · Columbus80%1,435 flts
- SAN · San Diego79%1,046 flts
- MEM · Memphis79%759 flts
Best airline at PHL
Departures from this airport, ranked by on-time arrival.
| Airline | On time | Cancelled | Avg delay | Routes | Flights |
|---|---|---|---|---|---|
| Delta Air Lines | 83% | 2.6% | 15 min | 5 | 6,487 |
| Republic Airways | 82% | 2.7% | 14 min | 53 | 6,771 |
| United Airlines | 78% | 1.4% | 21 min | 4 | 4,413 |
| American Airlines | 76% | 2.2% | 20 min | 60 | 46,717 |
| PSA Airlines | 75% | 4.5% | 23 min | 53 | 17,411 |
| Spirit Airlines | 73% | 4.8% | 19 min | 13 | 1,996 |
| Southwest Airlines | 73% | 1.3% | 18 min | 7 | 5,111 |
| JetBlue | 72% | 3.0% | 22 min | 3 | 1,719 |
| Frontier Airlines | 69% | 2.7% | 27 min | 30 | 9,279 |
| Alaska Airlines | 68% | 1.6% | 20 min | 2 | 737 |
| SkyWest Airlines | 67% | 2.2% | 61 min | 2 | 89 |
| Allegiant Air | 51% | 3.2% | 49 min | 3 | 63 |
Best time to fly out of PHL
On-time arrival rate by scheduled departure hour (local time).
- 5am88%2,555 flts
- 6am87%5,272 flts
- 7am84%4,757 flts
- 8am83%11,002 flts
- 9am83%4,309 flts
- 10am83%9,218 flts
- 11am78%4,808 flts
- 12pm78%4,517 flts
- 1pm75%5,938 flts
- 2pm72%3,946 flts
- 3pm70%6,884 flts
- 4pm70%4,641 flts
- 5pm64%6,095 flts
- 6pm68%9,250 flts
- 7pm68%8,186 flts
- 8pm66%3,548 flts
- 9pm73%4,441 flts
- 10pm73%1,289 flts
Monthly trend
Why departures were late
- Late-arriving aircraft44%
- Airline (crew, maintenance, cleaning, fueling)29%
- Air traffic control & airport congestion21%
- Extreme weather6%
- Security0%
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.