EYW to PHL flight delays & on-time performance
Nonstop flights from Key West International Airport to Philadelphia International Airport · 1,122 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at EYW or PHL right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Key West (EYW) to Philadelphia (PHL) arrived on time 66% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 3.2% were cancelled, and 17% arrived an hour or more late.
- Republic Airways was the most punctual airline here (84% on time); American Airlines was the least (56%).
- Departures scheduled around 12pm did best (85% on time); around 5pm did worst (56%).
- Tuesday was the most reliable day to fly (77% on time) and Saturday the least (54%).
- The largest source of delay minutes was late-arriving aircraft (60%).
Which airline is most on time from EYW to PHL?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 84% | 2.9% | 9 min | 3.0% | 172 |
| American Airlines | 56% | 3.4% | 63 min | 24.3% | 321 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 12pm85%104 flights
- 2pm79%75 flights
- 4pm61%31 flights
- 5pm56%271 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday63%8.0% cancelled
- Tuesday77%3.2% cancelled
- Wednesday72%0.0% cancelled
- Thursday72%0.0% cancelled
- Friday69%0.0% cancelled
- Saturday54%5.4% cancelled
- Sunday59%5.3% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft60%
- Airline (crew, maintenance, cleaning, fueling)26%
- Extreme weather10%
- Air traffic control & airport congestion4%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather69%
- Air traffic control & airport congestion25%
- Airline (crew, maintenance, cleaning, fueling)6%
- Security0%
EYW to PHL: common questions
- How often are EYW to PHL flights on time?
- 66% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Key West to Philadelphia cancelled?
- 3.2% of scheduled flights were cancelled (16 of 493).
- How long are typical delays?
- Across all flights the average arrival delay was 44 min (early arrivals count as zero). Flights that were late arrived 127 min behind schedule on average, and 16.8% of flights were an hour or more late.
- How long is taxi time at EYW?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: PHL to EYW — 83% on time
More flights from Key West
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: EYW → PHL, nonstop flights by US airlines that report to the DOT. How we calculate this.