Flight UA578
United Airlines flight UA578
Looking for UA578 in the airâŚ
Alerts at this flight's airports
Denver (DEN) to Dallas-Fort Worth (DFW)
Historically, this flight arrives 15+ minutes late 25% of the time, and when it is late the delay averages 74 minutes. It was cancelled 1.0% of the time.
- On-time arrivals
- 75.4%
- Less than 15 minutes late
- Cancelled
- 1.0%
- Of scheduled flights
- Average delay when late
- 74 min
- Flights arriving 15+ minutes late
- Flights tracked
- 291
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 37%
- Air traffic control & airport 35%
- Airline (crew, maintenance, cleaning) 22%
- Extreme weather 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Los Angeles (LAX) to Denver (DEN)
Historically, this flight arrives 15+ minutes late 8% of the time, and when it is late the delay averages 164 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 92.1%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 164 min
- Flights arriving 15+ minutes late
- Flights tracked
- 63
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 73%
- Late-arriving aircraft 22%
- Air traffic control & airport 6%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Detroit (DTW) to San Francisco (SFO)
Only 16 flights on record, which is too few for reliable odds.
- On-time arrivals
- 75.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 217 min
- Flights arriving 15+ minutes late
- Flights tracked
- 16
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 91%
- Air traffic control & airport 9%
- Airline (crew, maintenance, cleaning) 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
New York (LGA) to Denver (DEN)
Only 15 flights on record, which is too few for reliable odds.
- On-time arrivals
- 69.2%
- Less than 15 minutes late
- Cancelled
- 13.3%
- Of scheduled flights
- Average delay when late
- 94 min
- Flights arriving 15+ minutes late
- Flights tracked
- 15
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 79%
- Airline (crew, maintenance, cleaning) 17%
- Extreme weather 4%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Denver (DEN) to Palm Springs (PSP)
Only 3 flights on record, which is too few for reliable odds.
- On-time arrivals
- 66.7%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 65 min
- Flights arriving 15+ minutes late
- Flights tracked
- 3
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 100%
- Late-arriving aircraft 0%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Syracuse (SYR) 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 | 100.0% | 19 |
| October 2025 | 90.3% | 31 |
| November 2025 | 79.3% | 30 |
| December 2025 | 84.4% | 45 |
| January 2026 | 88.2% | 36 |
| February 2026 | 78.9% | 40 |
| March 2026 | 80.0% | 35 |
| April 2026 | 76.7% | 30 |
| May 2026 | 75.0% | 31 |
| June 2026 | 60.0% | 30 |
| July 2026 | 58.1% | 31 |
| August 2026 | 67.7% | 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