Flight Reliability
DL 307 · Delta Air Lines
Detroit → Honolulu (DTW–HNL)100% of its flights flew this route. The rest (ATL–GSP) are included in these numbers.
86
Pretty Reliable
WanderNerd Reliability Score
- 79%
- Arrive within 15 minutes
- 10 min
- Average arrival delay
- 0.3%
- Cancelled
- 5 min early
- Median arrival delay
Based on 290 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
DL 307 arrived on time 86% of the time on Tuesdays. On Fridays: 73%.
It basically never cancels.
Out of 290 scheduled flights, only 0.3% were cancelled.
Trending in the right direction.
DL 307 arrived on time 81% of the time over the last three months in the data, compared with 55% in the three months before that.
The breakdown
- Mon75%(44 flights)
- Tue86%(29 flights)
- Wed83%(35 flights)
- Thu76%(38 flights)
- Fri73%(52 flights)
- Sat80%(45 flights)
- Sun83%(46 flights)
- 9 AM–12 PM79%(288 flights)
- 9 PM–12 AM—(1 flights)
87%
May
Jun 83% → May 87% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 83% | 30 |
| July 2025 | 97% | 31 |
| August 2025 | 87% | 31 |
| September 2025 | 100% | 16 |
| October 2025 | 92% | 13 |
| November 2025 | 71% | 14 |
| December 2025 | 48% | 21 |
| January 2026 | 44% | 23 |
| February 2026 | 75% | 20 |
| March 2026 | 79% | 29 |
| April 2026 | 77% | 30 |
| May 2026 | 87% | 31 |
- Departures on time
- 87%
- Diverted
- 0%
- Flights flown
- 289
- 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.