Flight DL442
Delta Air Lines flight DL442
Looking for DL442 in the air…
Alerts at this flight's airports
Detroit (DTW) to San Francisco (SFO)
Historically, this flight arrives 15+ minutes late 33% of the time, and when it is late the delay averages 54 minutes. It was cancelled 0.3% of the time.
- On-time arrivals
- 67.1%
- Less than 15 minutes late
- Cancelled
- 0.3%
- Of scheduled flights
- Average delay when late
- 54 min
- Flights arriving 15+ minutes late
- Flights tracked
- 351
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 55%
- Airline (crew, maintenance, cleaning) 35%
- Late-arriving aircraft 8%
- Extreme weather 1%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
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Headlines found by Google News; stories open on the publisher's site.
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 90.0% | 30 |
| October 2025 | 73.3% | 30 |
| November 2025 | 75.9% | 29 |
| December 2025 | 50.0% | 20 |
| January 2026 | 70.0% | 30 |
| February 2026 | 64.3% | 28 |
| March 2026 | 64.5% | 31 |
| April 2026 | 58.6% | 30 |
| May 2026 | 48.4% | 31 |
| June 2026 | 50.0% | 30 |
| July 2026 | 74.2% | 31 |
| August 2026 | 80.6% | 31 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data