Flight DL2251
Delta Air Lines flight DL2251
Looking for DL2251 in the air…
Tucson (TUS) to Seattle (SEA)
Historically, this flight arrives 15+ minutes late 12% of the time, and when it is late the delay averages 159 minutes. It was cancelled 1.6% of the time.
- On-time arrivals
- 87.5%
- Less than 15 minutes late
- Cancelled
- 1.6%
- Of scheduled flights
- Average delay when late
- 159 min
- Flights arriving 15+ minutes late
- Flights tracked
- 122
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 52%
- Late-arriving aircraft 46%
- Air traffic control & airport 2%
- 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 173 minutes. It was cancelled 10.8% of the time.
- On-time arrivals
- 91.9%
- Less than 15 minutes late
- Cancelled
- 10.8%
- Of scheduled flights
- Average delay when late
- 173 min
- Flights arriving 15+ minutes late
- Flights tracked
- 83
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 42%
- Late-arriving aircraft 33%
- Air traffic control & airport 25%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Seattle (SEA) to Tucson (TUS)
Historically, this flight arrives 15+ minutes late 14% of the time, and when it is late the delay averages 86 minutes. It was cancelled 3.3% of the time.
- On-time arrivals
- 86.2%
- Less than 15 minutes late
- Cancelled
- 3.3%
- Of scheduled flights
- Average delay when late
- 86 min
- Flights arriving 15+ minutes late
- Flights tracked
- 60
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 39%
- Extreme weather 27%
- Late-arriving aircraft 18%
- Air traffic control & airport 16%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Atlanta (ATL) to Philadelphia (PHL)
Only 16 flights on record, which is too few for reliable odds.
- On-time arrivals
- 37.5%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 51 min
- Flights arriving 15+ minutes late
- Flights tracked
- 16
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 57%
- Air traffic control & airport 25%
- Late-arriving aircraft 18%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
New York (LGA) to Savannah (SAV)
Only 9 flights on record, which is too few for reliable odds.
- On-time arrivals
- 44.4%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 25 min
- Flights arriving 15+ minutes late
- Flights tracked
- 9
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 83%
- Airline (crew, maintenance, cleaning) 17%
- 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 | 33.3% | 3 |
| October 2025 | 75.0% | 4 |
| November 2025 | 0.0% | 2 |
| December 2025 | 41.7% | 12 |
| January 2026 | 67.7% | 31 |
| February 2026 | 84.4% | 45 |
| March 2026 | 86.2% | 62 |
| April 2026 | 97.6% | 42 |
| May 2026 | 96.2% | 27 |
| June 2026 | 95.0% | 21 |
| July 2026 | 88.2% | 20 |
| August 2026 | 88.2% | 21 |
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