Flight DL2919
Delta Air Lines flight DL2919
Looking for DL2919 in the air…
Alerts at this flight's airports
Boston (BOS) to San Francisco (SFO)
Historically, this flight arrives 15+ minutes late 38% of the time, and when it is late the delay averages 64 minutes. It was cancelled 2.5% of the time.
- On-time arrivals
- 61.8%
- Less than 15 minutes late
- Cancelled
- 2.5%
- Of scheduled flights
- Average delay when late
- 64 min
- Flights arriving 15+ minutes late
- Flights tracked
- 79
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 50%
- Air traffic control & airport 30%
- Airline (crew, maintenance, cleaning) 20%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
New York (LGA) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 8% of the time, and when it is late the delay averages 127 minutes. It was cancelled 5.1% of the time.
- On-time arrivals
- 92.0%
- Less than 15 minutes late
- Cancelled
- 5.1%
- Of scheduled flights
- Average delay when late
- 127 min
- Flights arriving 15+ minutes late
- Flights tracked
- 79
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 91%
- Air traffic control & airport 9%
- Late-arriving aircraft 0%
- 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 | 95.5% | 22 |
| October 2025 | 86.4% | 23 |
| November 2025 | 100.0% | 19 |
| December 2025 | 83.3% | 15 |
| April 2026 | 60.0% | 16 |
| May 2026 | 64.0% | 25 |
| June 2026 | 76.9% | 14 |
| July 2026 | 58.3% | 12 |
| August 2026 | 45.5% | 12 |
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