Flight UA2248
United Airlines flight UA2248
Looking for UA2248 in the airâŚ
Alerts at this flight's airports
San Francisco (SFO) to Newark (EWR)
Historically, this flight arrives 15+ minutes late 34% of the time, and when it is late the delay averages 97 minutes. It was cancelled 2.0% of the time.
- On-time arrivals
- 66.1%
- Less than 15 minutes late
- Cancelled
- 2.0%
- Of scheduled flights
- Average delay when late
- 97 min
- Flights arriving 15+ minutes late
- Flights tracked
- 351
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 61%
- Airline (crew, maintenance, cleaning) 21%
- Air traffic control & airport 19%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Tampa (TPA) to San Francisco (SFO)
Historically, this flight arrives 15+ minutes late 11% of the time, and when it is late the delay averages 30 minutes. It was cancelled 2.2% of the time.
- On-time arrivals
- 88.6%
- Less than 15 minutes late
- Cancelled
- 2.2%
- Of scheduled flights
- Average delay when late
- 30 min
- Flights arriving 15+ minutes late
- Flights tracked
- 45
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 57%
- Air traffic control & airport 37%
- Late-arriving aircraft 6%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Ontario (ONT) to San Francisco (SFO)
Historically, this flight arrives 15+ minutes late 66% of the time, and when it is late the delay averages 63 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 34.5%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 63 min
- Flights arriving 15+ minutes late
- Flights tracked
- 29
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 77%
- Late-arriving aircraft 21%
- Airline (crew, maintenance, cleaning) 2%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Colorado Springs (COS) to Denver (DEN)
Only 1 flight on record, which is too few for reliable odds.
- On-time arrivals
- 100.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- â
- Flights arriving 15+ minutes late
- Flights tracked
- 1
- Scheduled flights in the period
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Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 69.0% | 30 |
| October 2025 | 66.7% | 31 |
| November 2025 | 60.0% | 30 |
| December 2025 | 48.4% | 31 |
| January 2026 | 63.3% | 31 |
| February 2026 | 67.4% | 45 |
| March 2026 | 77.0% | 62 |
| April 2026 | 62.5% | 56 |
| May 2026 | 73.3% | 31 |
| June 2026 | 73.1% | 26 |
| July 2026 | 64.0% | 27 |
| August 2026 | 64.0% | 26 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 â August 2026. Covers flights operated by reporting U.S. carriers. About our data