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Airport · 12 months to July 2026
Key West International: delays and on-time record
Key West, Florida
BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report. Data through July 2026; this is a monthly history, not live airport status.
Key West International (EYW) in Key West, Florida had 8,348 scheduled domestic departures by reporting carriers in the 12 months to July 2026, about 23 a day, on 21 routes.
74.8% of those flights left the gate less than 15 minutes late, 1.3 points below the national departure figure of 76.1%. Flights arriving at EYW were on time 78.7% of the time, 2.7 points above the national arrival figure of 76.0%.
2.0% of scheduled departures were cancelled (national: 1.8%), and the average departure delay, counting early and on-time departures as zero, was 22.2 min.
Envoy Air is the largest reporting carrier at EYW with 26% of departures. Among carriers with at least 120 departures, Delta Air Lines had the highest on-time arrival share for its EYW departures (83.3%) and United Airlines the lowest (64.8%).
On-time departures are about level with the previous 12 months (75.0%).
Of the delay minutes that carriers assigned to a BTS cause category for flights leaving EYW, late-arriving aircraft 48%, air carrier 31% and national aviation system 15%.
- On time 74.7%
- Arrived 15+ minutes late 22.3%
- Cancelled 2.0%
- Diverted 1.0%
As origin and as destination, against the nation
| Measure | Departures from EYW | Arrivals at EYW | All reported flights | EYW departures, previous 12 months |
|---|---|---|---|---|
| Departed on time (less than 15 min late) | 74.8% | 81.7% | 76.1% | 75.0% |
| Arrived on time | 74.7% | 78.7% | 76.0% | 74.0% |
| Cancelled | 2.0% | 1.7% | 1.8% | 2.2% |
| Diverted | 1.0% | 0.7% | 0.3% | 1.0% |
| Average departure delay (late minutes only) | 22.2 min | 12.4 min | 17.4 min | 21.4 min |
| Arrival delay minutes per 100 flights | 2,101 | 1,337 | 1,684 | 2,057 |
| Scheduled flights | 8,348 | 8,349 | 7,043,858 | 7,688 |
12 months to July 2026. The first column follows flights that left EYW; the second follows flights that landed there. Year on year, on-time departures moved −0.2 pts.
Airlines at EYW
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| MQ Envoy Air | 2,143 | 26% | 77.5% | 7.3 min | 1.1% |
| AA American Airlines | 1,750 | 21% | 71.3% | 21.0 min | 3.1% |
| DL Delta Air Lines | 1,477 | 18% | 83.3% | 3.4 min | 1.8% |
| YX Republic Airline | 1,315 | 16% | 70.3% | 9.1 min | 3.0% |
| G4 Allegiant Air | 933 | 11% | 75.6% | 11.0 min | 0.8% |
| UA United Airlines | 446 | 5% | 64.8% | 33.9 min | 1.8% |
| B6 JetBlue Airways | 182 | 2% | 70.9% | 9.2 min | 2.7% |
| NK Spirit Airlines | 102 | 1% | 48.0% | 22.7 min | 4.9% |
Departures from EYW by reporting carrier, ordered by flights; on time means the flight reached its destination less than 15 minutes late. Green is at or above the airport's overall share of 74.7%. Carriers fly different routes at different hours, so the rows are not a like-for-like test.
Busiest routes from EYW
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| EYW–ATL | Key West to Atlanta | 1,460 | 83.8% | 2.4 min | 1.7% |
| EYW–CLT | Key West to Charlotte | 1,259 | 79.9% | 5.7 min | 2.6% |
| EYW–MIA | Key West to Miami | 1,250 | 80.6% | 6.5 min | 0.4% |
| EYW–ORD | Key West to Chicago | 775 | 65.7% | 20.5 min | 1.5% |
| EYW–DCA | Key West to Washington | 590 | 72.5% | 6.1 min | 2.5% |
| EYW–PHL | Key West to Philadelphia | 493 | 63.3% | 36.1 min | 3.2% |
| EYW–EWR | Key West to Newark | 460 | 67.4% | 23.6 min | 2.4% |
| EYW–LGA | Key West to New York | 359 | 64.1% | 17.9 min | 6.7% |
| EYW–DFW | Key West to Dallas/Fort Worth | 332 | 67.2% | 25.3 min | 2.7% |
| EYW–PIE | Key West to St. Petersburg | 313 | 79.6% | -0.6 min | 0.6% |
| EYW–BOS | Key West to Boston | 220 | 66.4% | 14.3 min | 2.7% |
The 11 busiest of 21 routes with reported flights. Routes with at least 10 flights a month have their own page.
Month by month
By scheduled departure hour
Among hours with at least 167 departures, 7 am to 8 am had the highest on-time share (85.7% of 531 flights) and 5 pm to 6 pm the lowest (62.7% of 757).
Delay causes
Cancellations by reported reason (169 in the period): air carrier 19%, weather 62%, national aviation system 19%, security 0%.
Checkpoint volumes
TSA publishes daily checkpoint passenger counts for the country as a whole, not for EYW on its own. The national series through September 2026 is on the checkpoint volumes page.
Questions and answers
How often do flights leave EYW on time?
74.8% of the 8,348 scheduled domestic departures in the 12 months to July 2026 left less than 15 minutes late; the national figure was 76.1%. 2.0% were cancelled.
How often do flights arrive at EYW on time?
78.7% of 8,349 scheduled arrivals were on time by the BTS definition, against 76.0% nationally.
Which airline has the highest on-time share at EYW?
Counting departures from EYW and whether they reached their destination on time, Delta Air Lines had the highest share (83.3% of 1,477 flights), then Envoy Air (77.5%) and Allegiant Air (75.6%). Carriers fly different routes at different hours, so the figures are not a like-for-like test.
What causes delays at EYW?
For departures from EYW that reached their destination 15 or more minutes late, carriers attributed the delay minutes as follows: late-arriving aircraft 48%, air carrier 31%, national aviation system 15%, extreme weather 6%, security 0%.
What time of day has the highest on-time share at EYW?
Departures scheduled from 7 am to 8 am local time left on time 85.7% of the time, the highest of any hour with enough flights to compare; 5 pm to 6 pm was lowest at 62.7%.
Is it getting better?
On-time departures for the 12 months to July 2026 were 74.8%, about level with the previous 12 months (75.0%). The monthly chart shows each of the last 36 months, and each month has its own page.
Does this page show today's delays at EYW?
No. BTS publishes on-time records about two months after the month ends, so this page is a monthly history through July 2026. For live conditions use the FAA airport status service or your airline.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987 to present), monthly files August 2023 to July 2026; airport name from the BTS airport lookup table. US government works in the public domain. Domestic scheduled flights by reporting carriers only: international flights, charters and smaller carriers are not in the source. Totals and averages only; no individual flight or aircraft is identified. See the methodology; report processing errors through corrections.