Philadelphia (PHL) to Key West (EYW): On-Time Performance
Data through July 2026
The calendar drives reliability on PHL–EYW. September 2024 flights landed on schedule 100% of the time, but July 2024 dropped to 52% — a gap of 48 points. Across the full period the route averages 82% on-time against a national 78%.
- On-time
- 82%
- arrived <15 min late
- Avg delay
- 14 min
- completed flights
- Cancelled
- 2.3%
- Flights/day
- 1.4
- last 12 months
- Duration
- 3h 19m
- scheduled
- Distance
- 1,122 mi
Best airline from PHL to EYW
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 86% | 7 min | 2.2% | 403 |
| American Airlines | 79% | 18 min | 2.4% | 668 |
Monthly on-time trend
Best time to fly from PHL to EYW
Aim for departures around 8 a.m. (84% on-time); avoid 11 a.m. departures (69%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 79% | 17 min |
| Tuesday | 88% | 8 min |
| Wednesdaybest | 89% | 13 min |
| Thursday | 80% | 17 min |
| Friday | 82% | 12 min |
| Saturday | 76% | 17 min |
| Sunday | 80% | 12 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft51%
- Airline operations24%
- National airspace system24%
- Weather1%
Frequently asked questions
- How often are flights from PHL to EYW delayed?
- 18% of PHL–EYW flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 14 minutes.
- Which airline is most reliable from PHL to EYW?
- Republic Airways has the best on-time record on this route at 86%, based on 403 flights. 2 airlines flew PHL–EYW frequently enough to compare in this period.
- What is the best time of day to fly from PHL to EYW?
- Departures around 8 a.m. have the best record (84% on-time), while departures around 11 a.m. have the worst (69%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from PHL to EYW?
- The scheduled PHL–EYW flight time averages 3h 19m over 1,122 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are PHL to EYW flights cancelled?
- 2.3% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from PHL to EYW?
- July 2024 was the roughest month in this dataset, with only 52% of arrivals on time. The best was September 2024 at 100%. If your dates are flexible, that 48-point gap is worth planning around.
Explore related pages
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Based on 1,071 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.