Flight UA1915
United Airlines flight UA1915
Looking for UA1915 in the airâŚ
Alerts at this flight's airports
Denver (DEN) to Detroit (DTW)
Historically, this flight arrives 15+ minutes late 7% of the time, and when it is late the delay averages 53 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 93.1%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 53 min
- Flights arriving 15+ minutes late
- Flights tracked
- 103
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 40%
- Late-arriving aircraft 33%
- Air traffic control & airport 27%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Denver (DEN) to Houston (IAH)
Historically, this flight arrives 15+ minutes late 12% of the time, and when it is late the delay averages 46 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 87.7%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 46 min
- Flights arriving 15+ minutes late
- Flights tracked
- 74
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 67%
- Airline (crew, maintenance, cleaning) 21%
- Late-arriving aircraft 12%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
New Orleans (MSY) to Newark (EWR)
Historically, this flight arrives 15+ minutes late 30% of the time, and when it is late the delay averages 83 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 70.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 83 min
- Flights arriving 15+ minutes late
- Flights tracked
- 51
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 90%
- Late-arriving aircraft 10%
- Airline (crew, maintenance, cleaning) 1%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Las Vegas (LAS) to Houston (IAH)
Historically, this flight arrives 15+ minutes late 8% of the time, and when it is late the delay averages 86 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 91.9%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 86 min
- Flights arriving 15+ minutes late
- Flights tracked
- 37
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 45%
- Late-arriving aircraft 42%
- Air traffic control & airport 13%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Seattle (SEA) to Denver (DEN)
Historically, this flight arrives 15+ minutes late 0% of the time. It was cancelled 0.0% of the time.
- 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
- 35
- Scheduled flights in the period
Newark (EWR) to Raleigh/Durham (RDU)
Historically, this flight arrives 15+ minutes late 32% of the time, and when it is late the delay averages 61 minutes. It was cancelled 6.7% of the time.
- On-time arrivals
- 67.9%
- Less than 15 minutes late
- Cancelled
- 6.7%
- Of scheduled flights
- Average delay when late
- 61 min
- Flights arriving 15+ minutes late
- Flights tracked
- 30
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 42%
- Airline (crew, maintenance, cleaning) 34%
- Air traffic control & airport 24%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Dulles (IAD) to Indianapolis (IND)
Historically, this flight arrives 15+ minutes late 19% of the time, and when it is late the delay averages 51 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 80.8%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 51 min
- Flights arriving 15+ minutes late
- Flights tracked
- 26
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 88%
- Air traffic control & airport 6%
- Late-arriving aircraft 6%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Houston (IAH) to San Francisco (SFO)
Historically, this flight arrives 15+ minutes late 29% of the time, and when it is late the delay averages 115 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 70.8%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 115 min
- Flights arriving 15+ minutes late
- Flights tracked
- 24
- Scheduled flights in the period
What caused the delays
- Extreme weather 38%
- Late-arriving aircraft 34%
- Airline (crew, maintenance, cleaning) 20%
- Air traffic control & airport 7%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Atlanta (ATL) to Newark (EWR)
Historically, this flight arrives 15+ minutes late 0% of the time. It was cancelled 0.0% of the time.
- 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
- 21
- Scheduled flights in the period
Houston (IAH) to Washington (DCA)
Historically, this flight arrives 15+ minutes late 14% of the time, and when it is late the delay averages 76 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 85.7%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 76 min
- Flights arriving 15+ minutes late
- Flights tracked
- 21
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 87%
- Late-arriving aircraft 13%
- Airline (crew, maintenance, cleaning) 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Houston (IAH) to Tampa (TPA)
Only 19 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
- 19
- Scheduled flights in the period
Houston (IAH) to Jacksonville (JAX)
Only 17 flights on record, which is too few for reliable odds.
- On-time arrivals
- 64.7%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 110 min
- Flights arriving 15+ minutes late
- Flights tracked
- 17
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 83%
- Airline (crew, maintenance, cleaning) 15%
- Air traffic control & airport 2%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Tampa (TPA) to Cleveland (CLE)
Only 16 flights on record, which is too few for reliable odds.
- On-time arrivals
- 93.8%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 43 min
- Flights arriving 15+ minutes late
- Flights tracked
- 16
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 100%
- Airline (crew, maintenance, cleaning) 0%
- 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 | 96.2% | 26 |
| October 2025 | 69.7% | 33 |
| November 2025 | 74.0% | 53 |
| December 2025 | 85.7% | 42 |
| January 2026 | 94.3% | 35 |
| February 2026 | 84.4% | 45 |
| March 2026 | 80.0% | 35 |
| April 2026 | 83.9% | 31 |
| May 2026 | 86.0% | 58 |
| June 2026 | 100.0% | 54 |
| July 2026 | 93.3% | 31 |
| August 2026 | 87.1% | 31 |
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