Flight Reliability
DL 312 · Delta Air Lines
Minneapolis → Honolulu (MSP–HNL)
83
Pretty Reliable
WanderNerd Reliability Score
- 82%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 1.4%
- Cancelled
- 4 min early
- Median arrival delay
Based on 365 historical flights. Data through May 2026.
What the data says
Skip Saturday if you can.
DL 312 arrived on time 88% of the time on Mondays. On Saturdays: 77%.
Trending in the right direction.
DL 312 arrived on time 87% of the time over the last three months in the data, compared with 62% in the three months before that.
The breakdown
- Mon88%(51 flights)
- Tue83%(52 flights)
- Wed78%(50 flights)
- Thu86%(51 flights)
- Fri82%(51 flights)
- Sat77%(52 flights)
- Sun82%(51 flights)
94%
May
Jun 86% → May 94% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 86% | 29 |
| July 2025 | 86% | 28 |
| August 2025 | 93% | 30 |
| September 2025 | 97% | 30 |
| October 2025 | 94% | 31 |
| November 2025 | 87% | 30 |
| December 2025 | 50% | 30 |
| January 2026 | 68% | 31 |
| February 2026 | 68% | 28 |
| March 2026 | 73% | 30 |
| April 2026 | 93% | 30 |
| May 2026 | 94% | 31 |
- Departures on time
- 86%
- Diverted
- 0.5%
- Flights flown
- 358
- Months covered
- 12
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.