Flight Reliability
DL 708 · Delta Air Lines
Los Angeles → Detroit (LAX–DTW)82% of its flights flew this route. The rest (PBI–BOS, BOS–PBI) are included in these numbers.
80
Pretty Reliable
WanderNerd Reliability Score
- 80%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 1.6%
- Cancelled
- 8 min early
- Median arrival delay
Based on 366 historical flights. Data through May 2026.
What the data says
12–3 PM has a slight edge.
Departures between 12–3 PM arrived on time 85% of the time, against 78% between 9 AM–12 PM.
Thursday is the weak spot.
DL 708 arrived on time 86% of the time on Tuesdays. On Thursdays: 73%.
A bit behind the LAX–DTW route.
DL 708 arrived on time 80% of the time, versus 83% across the LAX–DTW route.
The breakdown
- Mon76%(49 flights)
- Tue86%(51 flights)
- Wed77%(52 flights)
- Thu73%(51 flights)
- Fri86%(49 flights)
- Sat80%(55 flights)
- Sun81%(52 flights)
- 6–9 AM—(4 flights)
- 9 AM–12 PM78%(50 flights)
- 12–3 PM85%(13 flights)
- 3–6 PM80%(292 flights)
77%
May
Jun 70% → May 77% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 70% | 30 |
| July 2025 | 84% | 31 |
| August 2025 | 80% | 30 |
| September 2025 | 87% | 30 |
| October 2025 | 93% | 30 |
| November 2025 | 89% | 28 |
| December 2025 | 71% | 31 |
| January 2026 | 83% | 29 |
| February 2026 | 77% | 30 |
| March 2026 | 65% | 31 |
| April 2026 | 83% | 29 |
| May 2026 | 77% | 30 |
- Departures on time
- 80%
- Diverted
- 0.3%
- Flights flown
- 359
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 366 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.