Flight Reliability
DL 310 · Delta Air Lines
Honolulu → Detroit (HNL–DTW)
87
Pretty Reliable
WanderNerd Reliability Score
- 83%
- Arrive within 15 minutes
- 3 min early
- Average arrival delay
- 0.7%
- Cancelled
- 8 min early
- Median arrival delay
Based on 290 historical flights. Data through May 2026.
What the data says
The 12–3 PM departure wins.
DL 310 departing between 12–3 PM arrived on time 92% of the time, versus 82% between 3–6 PM.
Skip Wednesday if you can.
DL 310 arrived on time 86% of the time on Fridays. On Wednesdays: 79%.
Ticking up lately.
DL 310 arrived on time 82% of the time over the last three months in the data, compared with 75% in the three months before that.
The breakdown
- Mon84%(44 flights)
- Tue86%(35 flights)
- Wed79%(28 flights)
- Thu82%(44 flights)
- Fri86%(44 flights)
- Sat83%(52 flights)
- Sun80%(40 flights)
- 12–3 PM92%(39 flights)
- 3–6 PM82%(248 flights)
90%
May
Jun 77% → May 90% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 77% | 30 |
| July 2025 | 87% | 31 |
| August 2025 | 87% | 30 |
| September 2025 | 94% | 17 |
| October 2025 | 100% | 13 |
| November 2025 | 92% | 13 |
| December 2025 | 81% | 21 |
| January 2026 | 65% | 23 |
| February 2026 | 80% | 20 |
| March 2026 | 86% | 29 |
| April 2026 | 69% | 29 |
| May 2026 | 90% | 31 |
- Departures on time
- 85%
- Diverted
- 0.3%
- Flights flown
- 287
- Months covered
- 12
Keep nerding
Based on 290 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.