Key West International (EYW) Delays and On-Time Departures
Key West, FL · ranked 268th of 333 airports for on-time departures
Data through July 2026 · Last updated October 18, 2026
76.3% of the 8,348 flights scheduled to depart Key West (EYW) in the last 12 months left on time, 1.1 points below the US average of 77.4%.
That ranks 268th of 333 US airports tracked on this site, with 2.0% of departures cancelled.
Among airlines at Key West (EYW), Delta Air Lines left on time most often (83.0%).
Over 24 months, Wednesday was the most reliable day (83% on time) and March the worst month (70%).
Best time of day to fly out of Key West (EYW)
On-time departure % by scheduled departure hour (local time), last 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 96.2% | 0.0% | 80 |
| 7am–8am | 88.1% | 2.3% | 922 |
| 8am–9am | 89.2% | 0.3% | 306 |
| 9am–10am | 87.4% | 2.2% | 138 |
| 10am–11am | 82.4% | 0.9% | 315 |
| 11am–12pm | 84.5% | 1.9% | 1,431 |
| 12pm–1pm | 78.1% | 2.0% | 2,208 |
| 1pm–2pm | 74.5% | 1.7% | 1,820 |
| 2pm–3pm | 73.3% | 2.7% | 2,586 |
| 3pm–4pm | 73.7% | 1.8% | 1,283 |
| 4pm–5pm | 71.4% | 2.2% | 1,560 |
| 5pm–6pm | 66.8% | 3.0% | 1,452 |
| 6pm–7pm | 76.7% | 2.2% | 1,096 |
| 7pm–8pm | 79.9% | 2.1% | 728 |
| 8pm–9pm | 86.5% | 1.9% | 53 |
| 9pm–10pm | Limited data | 22 | |
| 10pm–11pm | 66.7% | 0.0% | 36 |
Airlines at EYW ranked by on-time departures
Last 12 months. Airlines with fewer than 30 departures are marked “limited data”.
| Airline | On-time departures | On-time arrivals | Cancelled | Departures |
|---|---|---|---|---|
| Delta Air Lines | 83.0% | 85.1% | 1.8% | 1,477 |
| Envoy Air | 79.6% | 78.7% | 1.1% | 2,143 |
| Allegiant Air | 78.9% | 77.0% | 0.8% | 933 |
| Republic Airways | 73.8% | 74.5% | 3.0% | 1,315 |
| United Airlines | 72.6% | 67.0% | 1.8% | 446 |
| American Airlines | 70.1% | 74.0% | 3.1% | 1,750 |
| JetBlue | 68.9% | 75.4% | 2.8% | 182 |
| Spirit Airlines | 49.5% | 50.5% | 4.9% | 102 |
80%+ good 70–79.9% fair <70% poor
Best day to fly out of EYW
On-time departures by day, 24 months.
Best month to fly out of EYW
On-time departures by month, 24 months.
Holiday travel at Key West (EYW)
On-time departures during holiday periods compared with all other days, last 24 months.
| Period | On-time departures | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 73.9% | -3.5 pts | 1.8% | 336 |
| Christmas & New Year (Dec 20 - Jan 3) | 66.5% | -10.9 pts | 1.1% | 880 |
| Summer peak (Jun 15 - Aug 15) | 75.4% | -2.0 pts | 2.6% | 2,152 |
| All other days | 77.5% | — | 2.1% | 12,668 |
Monthly on-time departure trend at EYW
On-time departure % each month, with the 12-month US average for reference.
Routes from Key West (EYW)
Every route from EYW with its own page, by number of flights (last 12 months, on-time arrivals).
| To | On time | Cancelled | Flights |
|---|---|---|---|
| EYW → Atlanta (ATL) | 85.5% | 1.7% | 1,460 |
| EYW → Charlotte (CLT) | 82.1% | 2.6% | 1,259 |
| EYW → Miami (MIA) | 80.9% | 0.4% | 1,250 |
| EYW → Chicago (ORD) | 68.5% | 1.6% | 775 |
| EYW → Washington (DCA) | 75.8% | 2.5% | 590 |
| EYW → Philadelphia (PHL) | 66.2% | 3.2% | 493 |
| EYW → Newark (EWR) | 69.8% | 2.4% | 460 |
| EYW → New York (LGA) | 71.7% | 6.7% | 359 |
| EYW → Dallas/Fort Worth (DFW) | 70.1% | 2.7% | 332 |
| EYW → St. Petersburg (PIE) | 80.8% | 0.6% | 313 |
| EYW → Boston (BOS) | 70.5% | 2.7% | 220 |