Flight UA557
United Airlines flight UA557
Looking for UA557 in the airâŚ
Alerts at this flight's airports
-
Advisory Airport Closure SNA
Airport Closure at John Wayne Orange County International Airport (SNA): Reopens Nov 08 at 14:15 UTC.
Airport status
Charleston (CHS) to Denver (DEN)
Historically, this flight arrives 15+ minutes late 27% of the time, and when it is late the delay averages 76 minutes. It was cancelled 0.6% of the time.
- On-time arrivals
- 72.8%
- Less than 15 minutes late
- Cancelled
- 0.6%
- Of scheduled flights
- Average delay when late
- 76 min
- Flights arriving 15+ minutes late
- Flights tracked
- 310
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 37%
- Late-arriving aircraft 37%
- Airline (crew, maintenance, cleaning) 24%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Billings (BIL) to Denver (DEN)
Historically, this flight arrives 15+ minutes late 9% of the time, and when it is late the delay averages 155 minutes. It was cancelled 4.3% of the time.
- On-time arrivals
- 91.1%
- Less than 15 minutes late
- Cancelled
- 4.3%
- Of scheduled flights
- Average delay when late
- 155 min
- Flights arriving 15+ minutes late
- Flights tracked
- 47
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 60%
- Late-arriving aircraft 40%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Denver (DEN) to Hayden (HDN)
Historically, this flight arrives 15+ minutes late 29% of the time, and when it is late the delay averages 81 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
- 81 min
- Flights arriving 15+ minutes late
- Flights tracked
- 24
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 48%
- Airline (crew, maintenance, cleaning) 48%
- Air traffic control & airport 3%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Denver (DEN) to Santa Ana (SNA)
Only 14 flights on record, which is too few for reliable odds.
- On-time arrivals
- 84.6%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 29 min
- Flights arriving 15+ minutes late
- Flights tracked
- 14
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 51%
- Air traffic control & airport 49%
- Airline (crew, maintenance, cleaning) 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Denver (DEN) to Jackson (JAC)
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
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Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 66.7% | 30 |
| October 2025 | 61.3% | 31 |
| November 2025 | 82.1% | 29 |
| December 2025 | 80.0% | 41 |
| January 2026 | 94.1% | 35 |
| February 2026 | 78.6% | 28 |
| March 2026 | 75.9% | 55 |
| April 2026 | 65.5% | 29 |
| May 2026 | 66.7% | 28 |
| June 2026 | 70.0% | 30 |
| July 2026 | 90.0% | 31 |
| August 2026 | 67.9% | 30 |
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