Flight UA401
United Airlines flight UA401
Looking for UA401 in the airâŚ
Alerts at this flight's airports
-
Advisory Coastal Flood Statement FLL
COASTAL FLOOD STATEMENT NOW IN EFFECT THROUGH THURSDAY EVENING
Weather
Denver (DEN) to Hayden (HDN)
Historically, this flight arrives 15+ minutes late 11% of the time, and when it is late the delay averages 46 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 89.1%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 46 min
- Flights arriving 15+ minutes late
- Flights tracked
- 55
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 60%
- Late-arriving aircraft 29%
- Air traffic control & airport 11%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Phoenix (PHX) to Denver (DEN)
Historically, this flight arrives 15+ minutes late 4% of the time, and when it is late the delay averages 38 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 96.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 38 min
- Flights arriving 15+ minutes late
- Flights tracked
- 50
- 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).
San Francisco (SFO) to Reno (RNO)
Historically, this flight arrives 15+ minutes late 8% of the time, and when it is late the delay averages 29 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
- 29 min
- Flights arriving 15+ minutes late
- Flights tracked
- 37
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 55%
- Late-arriving aircraft 45%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
St Louis (STL) to Denver (DEN)
Historically, this flight arrives 15+ minutes late 26% of the time, and when it is late the delay averages 53 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 74.2%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 53 min
- Flights arriving 15+ minutes late
- Flights tracked
- 31
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 72%
- Airline (crew, maintenance, cleaning) 28%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Cleveland (CLE) to Fort Lauderdale (FLL)
Historically, this flight arrives 15+ minutes late 15% of the time, and when it is late the delay averages 26 minutes. It was cancelled 4.8% of the time.
- On-time arrivals
- 85.0%
- Less than 15 minutes late
- Cancelled
- 4.8%
- Of scheduled flights
- Average delay when late
- 26 min
- Flights arriving 15+ minutes late
- Flights tracked
- 21
- 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).
Minneapolis (MSP) to Denver (DEN)
Only 18 flights on record, which is too few for reliable odds.
- On-time arrivals
- 83.3%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 35 min
- Flights arriving 15+ minutes late
- Flights tracked
- 18
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 63%
- Airline (crew, maintenance, cleaning) 37%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
New York (LGA) 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
In the news
More headlines →-
United Airlines First Class Steak And Eggs: Great Steak, But Where Were The Eggs?
Live and Let's Fly United Airlines
-
United Airlines Cuts Starlink Installation Timeline to 18 Months as Rollout Accelerates
Drive Tesla Canada United Airlines
-
President Of United Airlines Holdings Makes $4.00M Sale
Benzinga United Airlines
-
From the US to the Costa Smeralda, the number of flights will double in 2027 with United Airlines
Il Sole 24 ORE United Airlines
-
'Actually Did His Job'- Jessica Pegula Takes Aim at United Airlinesâ AI Support With Special Tennis Request for Helpful Employee
Yardbarker United Airlines
-
âOh My God, What?'â â Serena Williamsâ Coach Canât Believe What Jessica Pegula Went Through With United Airlines
Yahoo Sports United Airlines
Headlines found by Google News; stories open on the publisher's site.
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 86.5% | 37 |
| October 2025 | 83.3% | 54 |
| November 2025 | 93.1% | 29 |
| December 2025 | 100.0% | 17 |
| January 2026 | 88.5% | 26 |
| February 2026 | 89.3% | 28 |
| March 2026 | 100.0% | 4 |
| August 2026 | 83.3% | 18 |
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