Flight UA513
United Airlines flight UA513
Looking for UA513 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
Denver (DEN) to Bozeman (BZN)
Historically, this flight arrives 15+ minutes late 16% of the time, and when it is late the delay averages 76 minutes. It was cancelled 0.5% of the time.
- On-time arrivals
- 83.9%
- Less than 15 minutes late
- Cancelled
- 0.5%
- Of scheduled flights
- Average delay when late
- 76 min
- Flights arriving 15+ minutes late
- Flights tracked
- 220
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 56%
- Airline (crew, maintenance, cleaning) 21%
- Air traffic control & airport 17%
- Extreme weather 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Santa Ana (SNA) to Denver (DEN)
Historically, this flight arrives 15+ minutes late 4% of the time, and when it is late the delay averages 65 minutes. It was cancelled 0.9% of the time.
- On-time arrivals
- 96.5%
- Less than 15 minutes late
- Cancelled
- 0.9%
- Of scheduled flights
- Average delay when late
- 65 min
- Flights arriving 15+ minutes late
- Flights tracked
- 115
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 67%
- Late-arriving aircraft 33%
- Airline (crew, maintenance, cleaning) 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Newark (EWR) to Denver (DEN)
Historically, this flight arrives 15+ minutes late 16% of the time, and when it is late the delay averages 51 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 83.5%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 51 min
- Flights arriving 15+ minutes late
- Flights tracked
- 92
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 69%
- Airline (crew, maintenance, cleaning) 17%
- Late-arriving aircraft 14%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Tulsa (TUL) to Denver (DEN)
Historically, this flight arrives 15+ minutes late 13% of the time, and when it is late the delay averages 101 minutes. It was cancelled 3.5% of the time.
- On-time arrivals
- 87.3%
- Less than 15 minutes late
- Cancelled
- 3.5%
- Of scheduled flights
- Average delay when late
- 101 min
- Flights arriving 15+ minutes late
- Flights tracked
- 57
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 76%
- Air traffic control & airport 24%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
San Francisco (SFO) to Denver (DEN)
Historically, this flight arrives 15+ minutes late 9% of the time, and when it is late the delay averages 45 minutes. It was cancelled 4.2% of the time.
- On-time arrivals
- 91.3%
- Less than 15 minutes late
- Cancelled
- 4.2%
- Of scheduled flights
- Average delay when late
- 45 min
- Flights arriving 15+ minutes late
- Flights tracked
- 24
- 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).
Syracuse (SYR) to Denver (DEN)
Historically, this flight arrives 15+ minutes late 10% of the time, and when it is late the delay averages 48 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 90.5%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 48 min
- Flights arriving 15+ minutes late
- Flights tracked
- 21
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 79%
- Air traffic control & airport 21%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Madison (MSN) to Denver (DEN)
Only 19 flights on record, which is too few for reliable odds.
- On-time arrivals
- 94.7%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 623 min
- Flights arriving 15+ minutes late
- Flights tracked
- 19
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 100%
- Airline (crew, maintenance, cleaning) 0%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Louisville (SDF) to Denver (DEN)
Only 16 flights on record, which is too few for reliable odds.
- On-time arrivals
- 56.2%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 81 min
- Flights arriving 15+ minutes late
- Flights tracked
- 16
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 58%
- Extreme weather 32%
- Airline (crew, maintenance, cleaning) 9%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
New York (LGA) to Denver (DEN)
Only 12 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
- 12
- Scheduled flights in the period
Las Vegas (LAS) to San Francisco (SFO)
Only 8 flights on record, which is too few for reliable odds.
- On-time arrivals
- 28.6%
- Less than 15 minutes late
- Cancelled
- 12.5%
- Of scheduled flights
- Average delay when late
- 71 min
- Flights arriving 15+ minutes late
- Flights tracked
- 8
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 41%
- Airline (crew, maintenance, cleaning) 31%
- Late-arriving aircraft 28%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
San Francisco (SFO) to Omaha (OMA)
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 | 89.7% | 30 |
| October 2025 | 80.6% | 31 |
| November 2025 | 80.0% | 30 |
| December 2025 | 75.4% | 61 |
| January 2026 | 95.0% | 62 |
| February 2026 | 85.2% | 55 |
| March 2026 | 82.8% | 59 |
| April 2026 | 86.7% | 30 |
| May 2026 | 88.1% | 43 |
| June 2026 | 91.7% | 60 |
| July 2026 | 91.8% | 62 |
| August 2026 | 86.9% | 62 |
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