Flight Reliability
DL 3791 · Delta Air Lines
Minneapolis → Oklahoma City (MSP–OKC)100% of its flights flew this route. The rest (ATL–LEX) are included in these numbers.
76
Usually Fine
WanderNerd Reliability Score
- 77%
- Arrive within 15 minutes
- 8 min
- Average arrival delay
- 1.1%
- Cancelled
- 5 min early
- Median arrival delay
Based on 365 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
DL 3791 arrived on time 84% of the time on Fridays and just 69% on Sundays. That gap is worth planning around.
A bit behind the Delta Air Lines network.
DL 3791 arrived on time 77% of the time, versus 81% across the Delta Air Lines network.
Trending in the right direction.
DL 3791 arrived on time 83% of the time over the last three months in the data, compared with 72% in the three months before that.
The breakdown
- Mon77%(52 flights)
- Tue73%(51 flights)
- Wed83%(52 flights)
- Thu77%(51 flights)
- Fri84%(49 flights)
- Sat80%(51 flights)
- Sun69%(51 flights)
- 3–6 PM—(1 flights)
- 6–9 PM78%(355 flights)
- 9 PM–12 AM—(1 flights)
81%
May
Jun 70% → May 81% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 70% | 30 |
| July 2025 | 80% | 30 |
| August 2025 | 81% | 31 |
| September 2025 | 63% | 30 |
| October 2025 | 90% | 30 |
| November 2025 | 80% | 30 |
| December 2025 | 53% | 30 |
| January 2026 | 79% | 29 |
| February 2026 | 82% | 28 |
| March 2026 | 83% | 30 |
| April 2026 | 86% | 28 |
| May 2026 | 81% | 31 |
- Departures on time
- 78%
- Diverted
- 1.1%
- Flights flown
- 357
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 365 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.