Flight DL2551
Delta Air Lines flight DL2551
Looking for DL2551 in the air…
Los Angeles (LAX) to Portland (PDX)
Historically, this flight arrives 15+ minutes late 13% of the time, and when it is late the delay averages 75 minutes. It was cancelled 0.3% of the time.
- On-time arrivals
- 87.1%
- Less than 15 minutes late
- Cancelled
- 0.3%
- Of scheduled flights
- Average delay when late
- 75 min
- Flights arriving 15+ minutes late
- Flights tracked
- 349
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 71%
- Late-arriving aircraft 26%
- Air traffic control & airport 3%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Portland (PDX) to Los Angeles (LAX)
Historically, this flight arrives 15+ minutes late 11% of the time, and when it is late the delay averages 97 minutes. It was cancelled 0.3% of the time.
- On-time arrivals
- 88.7%
- Less than 15 minutes late
- Cancelled
- 0.3%
- Of scheduled flights
- Average delay when late
- 97 min
- Flights arriving 15+ minutes late
- Flights tracked
- 347
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 58%
- Airline (crew, maintenance, cleaning) 36%
- Air traffic control & airport 6%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Dallas-Fort Worth (DFW) to Minneapolis (MSP)
Only 16 flights on record, which is too few for reliable odds.
- On-time arrivals
- 93.3%
- Less than 15 minutes late
- Cancelled
- 6.2%
- Of scheduled flights
- Average delay when late
- 28 min
- Flights arriving 15+ minutes late
- Flights tracked
- 16
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 87%
- Airline (crew, maintenance, cleaning) 13%
- Air traffic control & airport 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 | 95.0% | 60 |
| October 2025 | 91.9% | 62 |
| November 2025 | 84.5% | 60 |
| December 2025 | 91.8% | 50 |
| January 2026 | 85.7% | 56 |
| February 2026 | 83.9% | 56 |
| March 2026 | 80.6% | 62 |
| April 2026 | 85.0% | 60 |
| May 2026 | 91.9% | 62 |
| June 2026 | 90.0% | 60 |
| July 2026 | 82.3% | 62 |
| August 2026 | 93.5% | 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