Flight Reliability
DL 1457 · Delta Air Lines
Atlanta → Tampa (ATL–TPA)88% of its flights flew this route. The rest (TPA–ATL) are included in these numbers.
61
A Little Dicey
WanderNerd Reliability Score
- 64%
- Arrive within 15 minutes
- 22 min
- Average arrival delay
- 1.2%
- Cancelled
- 2 min
- Median arrival delay
Based on 406 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
DL 1457 arrived on time 75% of the time on Tuesdays and just 54% on Sundays. That gap is worth planning around.
Lagging the ATL–TPA route.
DL 1457 arrived on time 64% of the time, versus 72% across the ATL–TPA route.
Well behind the Delta Air Lines network.
DL 1457 arrived on time 64% of the time, versus 81% across the Delta Air Lines network.
The breakdown
- Mon65%(62 flights)
- Tue75%(51 flights)
- Wed72%(50 flights)
- Thu61%(62 flights)
- Fri59%(61 flights)
- Sat66%(50 flights)
- Sun54%(65 flights)
- 6–9 PM64%(398 flights)
- 9 PM–12 AM—(3 flights)
56%
May
Jun 50% → May 56% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 50% | 40 |
| July 2025 | 35% | 46 |
| August 2025 | 57% | 37 |
| September 2025 | 83% | 30 |
| October 2025 | 70% | 30 |
| November 2025 | 76% | 29 |
| December 2025 | 71% | 28 |
| January 2026 | 64% | 28 |
| February 2026 | 75% | 28 |
| March 2026 | 80% | 30 |
| April 2026 | 77% | 30 |
| May 2026 | 56% | 45 |
- Departures on time
- 64%
- Diverted
- 0%
- Flights flown
- 401
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 406 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.