Route Reliability
Atlanta → Key West
ATL–EYW · 646 miles · Hartsfield–Jackson Atlanta International Airport to Key West International Airport
- 81%
- Arrive within 15 minutes
- 7 min
- Average arrival delay
- 1.0%
- Cancelled
- 1,472
- Flights in the data
Data through May 2026.
Delta Air Lines is the only airline in this data on this route, arriving on time 81% of the time across 1,472 flights. No comparison to make.
What the data says
Morning-you made the right choice.
ATL–EYW flights departing between 6–9 AM arrived on time 91% of the time, versus 71% between 12–3 PM.
Sunday scaries are real for this one.
ATL–EYW flights arrived on time 90% of the time on Wednesdays and just 72% on Sundays. That gap is worth planning around.
Trending in the right direction.
ATL–EYW flights arrived on time 89% of the time over the last three months in the data, compared with 74% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon78%(203 flights)
- Tue83%(207 flights)
- Wed90%(207 flights)
- Thu88%(205 flights)
- Fri78%(205 flights)
- Sat78%(208 flights)
- Sun72%(209 flights)
- 6–9 AM91%(99 flights)
- 9 AM–12 PM86%(574 flights)
- 12–3 PM71%(59 flights)
- 3–6 PM76%(562 flights)
- 6–9 PM77%(150 flights)
Jun 74% → May 86% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 74% | 119 |
| July 2025 | 69% | 123 |
| August 2025 | 81% | 123 |
| September 2025 | 95% | 119 |
| October 2025 | 89% | 123 |
| November 2025 | 77% | 113 |
| December 2025 | 71% | 132 |
| January 2026 | 73% | 119 |
| February 2026 | 79% | 110 |
| March 2026 | 90% | 119 |
| April 2026 | 90% | 119 |
| May 2026 | 86% | 125 |
Keep nerding
Based on 1,472 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.