Flight Reliability
DL 1280 · Delta Air Lines
Atlanta → Minneapolis (ATL–MSP)
66
Usually Fine
WanderNerd Reliability Score
- 67%
- Arrive within 15 minutes
- 19 min
- Average arrival delay
- 0.6%
- Cancelled
- 1 min
- Median arrival delay
Based on 339 historical flights. Data through May 2026.
What the data says
Saturdays have been rough.
DL 1280 arrived on time 76% of the time on Wednesdays and just 61% on Saturdays. That gap is worth planning around.
Lagging the ATL–MSP route.
DL 1280 arrived on time 67% of the time, versus 81% across the ATL–MSP route.
Lagging the Delta Air Lines network.
DL 1280 arrived on time 67% of the time, versus 81% across the Delta Air Lines network.
Slipping a little lately.
DL 1280 arrived on time 69% of the time over the last three months in the data, compared with 72% in the three months before that.
The breakdown
- Mon64%(52 flights)
- Tue64%(50 flights)
- Wed76%(50 flights)
- Thu68%(50 flights)
- Fri67%(52 flights)
- Sat61%(33 flights)
- Sun69%(48 flights)
52%
May
Jun 33% → May 52% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 33% | 30 |
| July 2025 | 52% | 31 |
| August 2025 | 71% | 31 |
| September 2025 | 76% | 29 |
| October 2025 | 90% | 31 |
| November 2025 | 63% | 30 |
| December 2025 | 57% | 28 |
| January 2026 | 82% | 28 |
| February 2026 | 77% | 22 |
| March 2026 | 77% | 26 |
| April 2026 | 77% | 26 |
| May 2026 | 52% | 23 |
- Departures on time
- 66%
- Diverted
- 0.6%
- Flights flown
- 335
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 339 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.