Flight Reliability
DL 2931 · Delta Air Lines
Minneapolis → Denver (MSP–DEN)
60
A Little Dicey
WanderNerd Reliability Score
- 62%
- Arrive within 15 minutes
- 20 min
- Average arrival delay
- 0.9%
- Cancelled
- 2 min
- Median arrival delay
Based on 350 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
DL 2931 arrived on time 70% of the time on Saturdays and just 49% on Sundays. That gap is worth planning around.
Well behind the MSP–DEN route.
DL 2931 arrived on time 62% of the time, versus 78% across the MSP–DEN route.
Well behind the Delta Air Lines network.
DL 2931 arrived on time 62% of the time, versus 81% across the Delta Air Lines network.
Trending in the right direction.
DL 2931 arrived on time 79% of the time over the last three months in the data, compared with 67% in the three months before that.
The breakdown
- Mon68%(50 flights)
- Tue65%(48 flights)
- Wed68%(47 flights)
- Thu51%(51 flights)
- Fri63%(51 flights)
- Sat70%(50 flights)
- Sun49%(49 flights)
81%
May
Jun 24% → May 81% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 24% | 29 |
| July 2025 | 42% | 31 |
| August 2025 | 48% | 31 |
| September 2025 | 70% | 30 |
| October 2025 | 57% | 30 |
| November 2025 | 63% | 24 |
| December 2025 | 59% | 22 |
| January 2026 | 65% | 31 |
| February 2026 | 79% | 28 |
| March 2026 | 73% | 30 |
| April 2026 | 83% | 29 |
| May 2026 | 81% | 31 |
- Departures on time
- 70%
- Diverted
- 0.3%
- Flights flown
- 346
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 350 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.