Key West International Airport (EYW): Delays & On-Time Performance
Data through July 2026
Key West International Airport (EYW) is a tale of two seasons: departures ran 89% on-time in October 2024 but sank to 66% in March 2025. Across the year it averages 76% against a national 78%, over roughly 23 departures a day to 21 destinations.
- Departures on-time
- 76%
- left <15 min late
- Avg dep delay
- 22 min
- Arrivals on-time
- 80%
- Cancelled
- 2.2%
- Destinations
- 21
- nonstop
- Airlines
- 9
Plan your departure from EYW
The choices most likely to improve your odds, based on this airport’s historical record.
- Best departure time
- Around 8 a.m.
- 89% on-time
- Best day to fly
- Wednesday
- 83% on-time
- Cancellation risk
- 2.2%
- above the US average
Monthly on-time trend
Best time of day to depart from EYW
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 75% | 25 min |
| Tuesday | 80% | 16 min |
| Wednesdaybest | 83% | 14 min |
| Thursday | 77% | 22 min |
| Friday | 75% | 22 min |
| Saturday | 71% | 25 min |
| Sunday | 71% | 28 min |
Busiest routes from EYW
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| EYW → ATL (Atlanta) | 1,460 | 83% | 16 min |
| EYW → CLT (Charlotte) | 1,259 | 78% | 20 min |
| EYW → MIA (Miami) | 1,250 | 81% | 14 min |
| EYW → ORD (Chicago) | 775 | 68% | 26 min |
| EYW → DCA (Washington) | 590 | 75% | 15 min |
| EYW → PHL (Philadelphia) | 493 | 68% | 45 min |
| EYW → EWR (Newark) | 460 | 68% | 33 min |
| EYW → LGA (New York) | 359 | 69% | 25 min |
| EYW → DFW (Dallas/Fort Worth) | 332 | 67% | 37 min |
| EYW → PIE (St. Petersburg) | 313 | 80% | 14 min |
| EYW → BOS (Boston) | 220 | 66% | 26 min |
| EYW → SFB (Sanford) | 116 | 61% | 42 min |
| EYW → IAD (Washington) | 114 | 79% | 23 min |
| EYW → CVG (Cincinnati) | 108 | 71% | 29 min |
| EYW → AVL (Asheville) | 107 | 76% | 18 min |
| EYW → FLL (Fort Lauderdale) | 102 | 51% | 28 min |
Where flights into EYW come from
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| ATL (Atlanta) → EYW | 1,460 | 81% | 14 min |
| CLT (Charlotte) → EYW | 1,259 | 79% | 15 min |
| MIA (Miami) → EYW | 1,250 | 86% | 8 min |
| ORD (Chicago) → EYW | 775 | 79% | 13 min |
| DCA (Washington) → EYW | 590 | 80% | 11 min |
| PHL (Philadelphia) → EYW | 493 | 82% | 14 min |
| EWR (Newark) → EYW | 460 | 79% | 16 min |
| LGA (New York) → EYW | 359 | 77% | 13 min |
What causes delays at EYW
Share of total delay minutes by cause, as reported by carriers to the US DOT, weighted across routes departing EYW.
- Late-arriving aircraft50%
- Airline operations29%
- National airspace system14%
- Weather7%
Airline performance at EYW
| Airline | On-time departures | Avg delay | Flights |
|---|---|---|---|
| Delta Air Lines | 82% | 17 min | 3,045 |
| Envoy Air | 80% | 14 min | 4,427 |
| Allegiant Air | 78% | 21 min | 1,769 |
| United Airlines | 74% | 32 min | 1,089 |
| Republic Airways | 74% | 19 min | 2,285 |
| American Airlines | 69% | 36 min | 3,459 |
| JetBlue Airways | 66% | 30 min | 348 |
| Spirit Airlines | 50% | 30 min | 102 |
Frequently asked questions
- How often are flights delayed at EYW?
- 24% of departures from Key West International Airport left 15+ minutes late between 2024-07 and 2026-07, with an average departure delay of 22 minutes. The national on-time average over the same period was 78%.
- What is the best time of day to depart from EYW?
- Flights scheduled around 8 a.m. depart on time 89% of the time at EYW, versus 67% around 5 p.m.. Booking before noon is the usual rule of thumb here.
- What is the worst month for delays at EYW?
- In this dataset, March 2025 was the weakest month at EYW, with 66% of departures on time.
- How often are flights cancelled at EYW?
- 2.2% of scheduled departures from EYW were cancelled in this period, compared with a national rate of 1.6%.
Popular route pages from this airport
Related guides
Based on 16,549 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.