Airport reliability
Key West (EYW) on-time performance
How reliably flights leave Key West, FL (EYW) and reach their destinations, by airline, departure hour and month, September 2025 to August 2026.
Key West, FL8,402 departures in 12 months
- Departures on time
- 74.9% U.S. average 75.6%
- Cancelled
- 2.0% U.S. average 1.9%
- 60+ minutes late
- 8.9% U.S. average 8.1%
- Scheduled departures
- 8,402 12 months
What this means
EYW departures ran below the U.S. average.
- 74.9% of the 8,402 scheduled departures from Key West (EYW) arrived at their destination on time, 0.7 points lower than the U.S. average of 75.6%.
- 2.0% of departures were cancelled (U.S. average 1.9%), and 8.9% arrived an hour or more late.
- Flights arriving at EYW were on time 78.7% of the time.
- Among airlines with at least 300 departures, Delta Air Lines was the most punctual from EYW (83.7%) and United Airlines the least (64.2%).
- Over the last 3 years, October was the most reliable month for departures from EYW (85.1% on time) and March the least reliable (66.3%).
- Cancellations peaked in January, when 3.4% of flights were cancelled.
- Flights scheduled to depart 7 am to 8 am were the most punctual (86.4% on time); flights scheduled to depart 5 pm to 6 pm were the least (62.7%).
Airlines at EYW
Ranked by on-time arrival
| Airline | On time | Cancelled | 60+ min late | Avg delay when late | Departures |
|---|---|---|---|---|---|
| Delta Air Lines | 83.7% | 2.0% | 6.4% | 105 min | 1,477 |
| Envoy AirSold as American Eagle | 77.9% | 1.1% | 6.9% | 70 min | 2,189 |
| Allegiant Air | 75.5% | 0.7% | 9.5% | 94 min | 948 |
| American Airlines | 71.4% | 3.1% | 11.7% | 117 min | 1,726 |
| JetBlue Airways | 70.9% | 2.7% | 11.5% | 80 min | 182 |
| Republic AirwaysSold as American Eagle, Delta Connection, United Express | 70.1% | 3.0% | 8.0% | 69 min | 1,342 |
| United Airlines | 64.2% | 1.8% | 14.4% | 118 min | 436 |
| Spirit Airlines | 48.0% | 4.9% | 19.6% | 57 min | 102 |
Tap a heading to sort.
On-time rate by departure hour
Share of scheduled flights on time EYW average 74.9%
Show as table
| Period | On time | Flights |
|---|---|---|
| Departing 6 am to 7 am | 95.0% | 80 |
| Departing 7 am to 8 am | 86.4% | 531 |
| Departing 8 am to 9 am | 93.8% | 97 |
| Departing 9 am to 10 am | 90.2% | 51 |
| Departing 10 am to 11 am | 84.7% | 144 |
| Departing 11 am to noon | 85.9% | 739 |
| Departing noon to 1 pm | 77.9% | 993 |
| Departing 1 pm to 2 pm | 72.7% | 1,038 |
| Departing 2 pm to 3 pm | 71.6% | 1,406 |
| Departing 3 pm to 4 pm | 69.4% | 526 |
| Departing 4 pm to 5 pm | 69.7% | 948 |
| Departing 5 pm to 6 pm | 62.7% | 718 |
| Departing 6 pm to 7 pm | 76.3% | 615 |
| Departing 7 pm to 8 pm | 73.1% | 379 |
| Departing 8 pm to 9 pm | 86.3% | 73 |
| Departing 9 pm to 10 pm | Insufficient sample | 27 |
| Departing 10 pm to 11 pm | Insufficient sample | 37 |
Best and worst months at EYW
Share of scheduled flights on time 12-month average 74.9%
Show as table
| Period | On time | Flights |
|---|---|---|
| January | 70.0% | 2,501 |
| February | 69.5% | 2,315 |
| March | 66.3% | 2,579 |
| April | 75.6% | 2,342 |
| May | 73.3% | 1,949 |
| June | 72.0% | 1,591 |
| July | 67.8% | 1,613 |
| August | 74.5% | 1,511 |
| September | 82.0% | 1,253 |
| October | 85.1% | 1,563 |
| November | 82.4% | 2,101 |
| December | 73.7% | 2,420 |
Month by month, last 12 months
Share of scheduled flights on time U.S. average 75.6%
Show as table
| Period | On time | Flights |
|---|---|---|
| Sep 2025 | 85.9% | 439 |
| Oct 2025 | 83.9% | 558 |
| Nov 2025 | 76.1% | 736 |
| Dec 2025 | 73.4% | 866 |
| Jan 2026 | 69.6% | 889 |
| Feb 2026 | 64.1% | 805 |
| Mar 2026 | 71.1% | 885 |
| Apr 2026 | 81.4% | 816 |
| May 2026 | 81.1% | 697 |
| Jun 2026 | 73.9% | 578 |
| Jul 2026 | 67.9% | 599 |
| Aug 2026 | 78.8% | 534 |
Busiest routes from EYW
| To | On time | Cancelled | Airlines | Flights |
|---|---|---|---|---|
| Atlanta (ATL) | 84.2% | 1.8% | 1 | 1,460 |
| Miami (MIA) | 81.3% | 0.4% | 3 | 1,274 |
| Charlotte (CLT) | 79.9% | 2.6% | 2 | 1,251 |
| Chicago (ORD) | 66.0% | 1.5% | 3 | 815 |
| Washington (DCA) | 72.1% | 2.5% | 3 | 596 |
| Philadelphia (PHL) | 64.1% | 3.2% | 2 | 493 |
| Newark (EWR) | 66.7% | 2.4% | 2 | 460 |
| New York (LGA) | 64.1% | 6.7% | 2 | 359 |
| St. Petersburg (PIE) | 78.6% | 0.6% | 1 | 313 |
| Dallas/Fort Worth (DFW) | 67.0% | 2.6% | 1 | 309 |
| Boston (BOS) | 66.4% | 2.7% | 3 | 220 |
| Sanford (SFB) | 67.8% | 0.0% | 1 | 121 |
| Washington (IAD) | 73.7% | 0.9% | 2 | 114 |
| Cincinnati (CVG) | 73.1% | 0.0% | 1 | 108 |
| Asheville (AVL) | 83.2% | 1.9% | 1 | 107 |
| Fort Lauderdale (FLL) | 48.0% | 4.9% | 1 | 102 |
| Pittsburgh (PIT) | 71.3% | 2.1% | 1 | 94 |
| Knoxville (TYS) | 82.6% | 0.0% | 1 | 92 |
| Indianapolis (IND) | 70.1% | 1.1% | 1 | 87 |
Sources & data dates
- Source
- U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
- Period
- September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
- Data through
- August 2026
- Processed
- 2026-11-03
- Scope
- Scheduled nonstop domestic departures from Key West, FL (EYW) by airlines that report to the DOT.
- Method
- Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.