Flight UA1979
United Airlines flight UA1979
Looking for UA1979 in the airâŚ
Newark (EWR) to Tampa (TPA)
Historically, this flight arrives 15+ minutes late 7% of the time, and when it is late the delay averages 59 minutes. It was cancelled 2.5% of the time.
- On-time arrivals
- 92.9%
- Less than 15 minutes late
- Cancelled
- 2.5%
- Of scheduled flights
- Average delay when late
- 59 min
- Flights arriving 15+ minutes late
- Flights tracked
- 320
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 37%
- Airline (crew, maintenance, cleaning) 35%
- Late-arriving aircraft 15%
- Extreme weather 13%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Tampa (TPA) to Houston (IAH)
Historically, this flight arrives 15+ minutes late 5% of the time, and when it is late the delay averages 94 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 94.5%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 94 min
- Flights arriving 15+ minutes late
- Flights tracked
- 55
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 74%
- Air traffic control & airport 26%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Tampa (TPA) to Los Angeles (LAX)
Historically, this flight arrives 15+ minutes late 19% of the time, and when it is late the delay averages 96 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 81.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 96 min
- Flights arriving 15+ minutes late
- Flights tracked
- 21
- Scheduled flights in the period
What caused the delays
- Extreme weather 57%
- Airline (crew, maintenance, cleaning) 22%
- Air traffic control & airport 21%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Newark (EWR) to Denver (DEN)
Only 2 flights 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
- 2
- Scheduled flights in the period
Houston (IAH) to Dallas-Fort Worth (DFW)
Only 1 flight on record, which is too few for reliable odds.
- On-time arrivals
- 0.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 26 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 54%
- Air traffic control & airport 46%
- 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 | 92.2% | 51 |
| October 2025 | 93.5% | 31 |
| November 2025 | 96.3% | 30 |
| December 2025 | 91.3% | 47 |
| January 2026 | 100.0% | 7 |
| February 2026 | 66.7% | 17 |
| March 2026 | 87.1% | 31 |
| April 2026 | 87.1% | 31 |
| May 2026 | 92.0% | 51 |
| June 2026 | 100.0% | 30 |
| July 2026 | 100.0% | 30 |
| August 2026 | 95.3% | 43 |
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