Flight DL904
Delta Air Lines flight DL904
Looking for DL904 in the air…
Atlanta (ATL) to Sacramento (SMF)
Historically, this flight arrives 15+ minutes late 10% of the time, and when it is late the delay averages 59 minutes. It was cancelled 2.2% of the time.
- On-time arrivals
- 89.6%
- Less than 15 minutes late
- Cancelled
- 2.2%
- Of scheduled flights
- Average delay when late
- 59 min
- Flights arriving 15+ minutes late
- Flights tracked
- 365
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 67%
- Air traffic control & airport 25%
- Late-arriving aircraft 8%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sacramento (SMF) to Atlanta (ATL)
Historically, this flight arrives 15+ minutes late 8% of the time, and when it is late the delay averages 107 minutes. It was cancelled 2.5% of the time.
- On-time arrivals
- 92.1%
- Less than 15 minutes late
- Cancelled
- 2.5%
- Of scheduled flights
- Average delay when late
- 107 min
- Flights arriving 15+ minutes late
- Flights tracked
- 364
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 59%
- Late-arriving aircraft 31%
- Air traffic control & airport 9%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
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Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 96.6% | 60 |
| October 2025 | 91.9% | 62 |
| November 2025 | 87.7% | 59 |
| December 2025 | 84.2% | 62 |
| January 2026 | 94.9% | 62 |
| February 2026 | 87.5% | 56 |
| March 2026 | 86.2% | 62 |
| April 2026 | 93.1% | 60 |
| May 2026 | 91.9% | 62 |
| June 2026 | 91.7% | 60 |
| July 2026 | 86.9% | 62 |
| August 2026 | 96.7% | 62 |
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