Key West (EYW) to Atlanta (ATL): On-Time Performance
Data through July 2026
The calendar drives reliability on EYW–ATL. October 2025 flights landed on schedule 94% of the time, but March 2025 dropped to 68% — a gap of 27 points. Across the full period the route averages 83% on-time against a national 78%. Morning departures also hold up better than evening ones (88% vs 78%), which matters most in the rough months.
- On-time
- 83%
- arrived <15 min late
- Avg delay
- 16 min
- completed flights
- Cancelled
- 2.1%
- Flights/day
- 4.0
- last 12 months
- Duration
- 2h 6m
- scheduled
- Distance
- 646 mi
Monthly on-time trend
Best time to fly from EYW to ATL
Aim for departures around 7 a.m. (88% on-time); avoid 3 p.m. departures (75%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 79% | 18 min |
| Tuesday | 86% | 13 min |
| Wednesday | 86% | 8 min |
| Thursdaybest | 87% | 13 min |
| Friday | 82% | 19 min |
| Saturday | 81% | 17 min |
| Sunday | 77% | 25 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft49%
- Airline operations33%
- National airspace system13%
- Weather5%
Frequently asked questions
- How often are flights from EYW to ATL delayed?
- 17% of EYW–ATL flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 16 minutes.
- What is the best time of day to fly from EYW to ATL?
- Departures around 7 a.m. have the best record (88% on-time), while departures around 3 p.m. have the worst (75%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from EYW to ATL?
- The scheduled EYW–ATL flight time averages 2h 6m over 646 miles. Actual arrival times vary — flights on this route land 15+ minutes late 17% of the time.
- How often are EYW to ATL flights cancelled?
- 2.1% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from EYW to ATL?
- March 2025 was the roughest month in this dataset, with only 68% of arrivals on time. The best was October 2025 at 94%. If your dates are flexible, that 27-point gap is worth planning around.
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Based on 3,044 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.