Flight Reliability
DL 407 · Delta Air Lines
Los Angeles → Detroit (LAX–DTW)82% of its flights flew this route. The rest (STT–BOS, ALB–DTW) are included in these numbers.
- 81%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 2.0%
- Cancelled
- 6 min early
- Median arrival delay
Based on 357 historical flights. Data through May 2026.
What the data says
The late departure is the smart one here.
DL 407 departing between 9 PM–12 AM arrived on time 83% of the time, versus 73% between 12–3 PM.
Mondays have been rough.
DL 407 arrived on time 90% of the time on Tuesdays and just 69% on Mondays. That gap is worth planning around.
Trending in the right direction.
DL 407 arrived on time 85% of the time over the last three months in the data, compared with 78% in the three months before that.
The breakdown
- Mon69%(49 flights)
- Tue90%(50 flights)
- Wed88%(51 flights)
- Thu82%(51 flights)
- Fri81%(52 flights)
- Sat81%(43 flights)
- Sun73%(51 flights)
- 12–3 PM73%(55 flights)
- 3–6 PM—(1 flights)
- 9 PM–12 AM83%(291 flights)
Jun 65% → May 86% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 65% | 31 |
| July 2025 | 81% | 31 |
| August 2025 | 81% | 31 |
| September 2025 | 73% | 30 |
| October 2025 | 90% | 31 |
| November 2025 | 90% | 30 |
| December 2025 | 83% | 30 |
| January 2026 | 89% | 26 |
| February 2026 | 62% | 26 |
| March 2026 | 73% | 26 |
| April 2026 | 96% | 26 |
| May 2026 | 86% | 29 |
- Departures on time
- 79%
- Diverted
- 0.8%
- Flights flown
- 347
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 357 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.