ATL to EYW flight delays & on-time performance
Nonstop flights from Hartsfield Jackson Atlanta International Airport to Key West International Airport · 646 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at ATL or EYW right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Atlanta (ATL) to Key West (EYW) arrived on time 83% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1.4% were cancelled, and 6% arrived an hour or more late.
- Delta Air Lines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 8am did best (91% on time); around 5pm did worst (77%).
- Thursday was the most reliable day to fly (91% on time) and Sunday the least (74%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (48%).
Which airline is most on time from ATL to EYW?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Delta Air Lines | 83% | 1.4% | 13 min | 6.0% | 1,460 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 8am91%118 flights
- 9am90%248 flights
- 10am86%44 flights
- 11am86%284 flights
- 12pm77%47 flights
- 3pm79%348 flights
- 5pm77%220 flights
- 6pm81%131 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday80%4.3% cancelled
- Tuesday84%0.0% cancelled
- Wednesday89%0.0% cancelled
- Thursday91%0.5% cancelled
- Friday80%0.9% cancelled
- Saturday81%1.9% cancelled
- Sunday74%2.4% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)48%
- Extreme weather19%
- Air traffic control & airport congestion18%
- Late-arriving aircraft14%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)57%
- Extreme weather43%
- Air traffic control & airport congestion0%
- Security0%
ATL to EYW: common questions
- How often are ATL to EYW flights on time?
- 83% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Atlanta to Key West cancelled?
- 1.4% of scheduled flights were cancelled (21 of 1,460).
- How long are typical delays?
- Across all flights the average arrival delay was 13 min (early arrivals count as zero). Flights that were late arrived 73 min behind schedule on average, and 6.0% of flights were an hour or more late.
- How long is taxi time at ATL?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: EYW to ATL — 86% on time
More flights from Atlanta
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: ATL → EYW, nonstop flights by US airlines that report to the DOT. How we calculate this.