Best Time to Fly PHL to EYW: On-Time Stats by Hour & Airline
Philadelphia International → Key West International
Data through July 2026 · Last updated October 18, 2026
493 flights were scheduled from Philadelphia (PHL) to Key West (EYW) in the last 12 months, and 83.4% of those that flew arrived on time, 5.7 points above the US average of 77.6%.
Republic Airways was the most punctual of the 2 airlines on the route at 85.6%, while American Airlines trailed at 82.1%.
September has been the best month (96% on time) and Saturday the weakest day of the week (76%).
2.8% of flights were cancelled, versus 1.8% nationally.
PHL to EYW on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airways | 85.6% | 45 min | 2.9% | 172 |
| American Airlines | 82.1% | 71 min | 2.8% | 321 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PHL to EYW
On-time arrival % by scheduled departure hour (local time), 1,045 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | 84.7% | 1.4% | 275 |
| 9am–10am | 78.5% | 5.8% | 69 |
| 10am–11am | 83.6% | 1.9% | 638 |
| 11am–12pm | 79.6% | 6.8% | 59 |
| 12pm–1pm | Limited data | 3 | |
| 6pm–7pm | Limited data | 1 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PHL to EYW
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 24 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 67.9% | -16.9 pts | 0.0% | 56 |
| Summer peak (Jun 15 - Aug 15) | 81.0% | -3.8 pts | 3.3% | 120 |
| All other days | 84.8% | — | 2.4% | 845 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).