Flight UA2671
United Airlines flight UA2671
Looking for UA2671 in the airâŚ
Alerts at this flight's airports
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Advisory Coastal Flood Statement FLL
COASTAL FLOOD STATEMENT NOW IN EFFECT THROUGH THURSDAY EVENING
Weather
Denver (DEN) to Raleigh/Durham (RDU)
Historically, this flight arrives 15+ minutes late 23% of the time, and when it is late the delay averages 78 minutes. It was cancelled 0.7% of the time.
- On-time arrivals
- 76.8%
- Less than 15 minutes late
- Cancelled
- 0.7%
- Of scheduled flights
- Average delay when late
- 78 min
- Flights arriving 15+ minutes late
- Flights tracked
- 287
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 52%
- Airline (crew, maintenance, cleaning) 24%
- Air traffic control & airport 24%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Tucson (TUS) to Denver (DEN)
Historically, this flight arrives 15+ minutes late 20% of the time, and when it is late the delay averages 94 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 79.9%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 94 min
- Flights arriving 15+ minutes late
- Flights tracked
- 165
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 67%
- Late-arriving aircraft 15%
- Airline (crew, maintenance, cleaning) 10%
- Extreme weather 8%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Jackson (JAC) to Denver (DEN)
Historically, this flight arrives 15+ minutes late 27% of the time, and when it is late the delay averages 77 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 72.9%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 77 min
- Flights arriving 15+ minutes late
- Flights tracked
- 59
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 91%
- Late-arriving aircraft 6%
- Airline (crew, maintenance, cleaning) 2%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Portland (PDX) to San Francisco (SFO)
Historically, this flight arrives 15+ minutes late 19% of the time, and when it is late the delay averages 31 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 81.1%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 31 min
- Flights arriving 15+ minutes late
- Flights tracked
- 37
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 86%
- Airline (crew, maintenance, cleaning) 14%
- 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 3% of the time, and when it is late the delay averages 100 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 97.3%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 100 min
- Flights arriving 15+ minutes late
- Flights tracked
- 37
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 54%
- Air traffic control & airport 29%
- Late-arriving aircraft 17%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Fort Lauderdale (FLL) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 39% of the time, and when it is late the delay averages 38 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 61.3%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 38 min
- Flights arriving 15+ minutes late
- Flights tracked
- 31
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 76%
- Late-arriving aircraft 19%
- Airline (crew, maintenance, cleaning) 5%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Colorado Springs (COS)
Historically, this flight arrives 15+ minutes late 35% of the time, and when it is late the delay averages 77 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 64.5%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 77 min
- Flights arriving 15+ minutes late
- Flights tracked
- 31
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 67%
- Air traffic control & airport 20%
- Late-arriving aircraft 13%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Denver (DEN) to Boston (BOS)
Historically, this flight arrives 15+ minutes late 35% of the time, and when it is late the delay averages 204 minutes. It was cancelled 4.8% of the time.
- On-time arrivals
- 65.0%
- Less than 15 minutes late
- Cancelled
- 4.8%
- Of scheduled flights
- Average delay when late
- 204 min
- Flights arriving 15+ minutes late
- Flights tracked
- 21
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 51%
- Late-arriving aircraft 44%
- Air traffic control & airport 4%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
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Headlines found by Google News; stories open on the publisher's site.
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 75.0% | 36 |
| October 2025 | 56.5% | 62 |
| November 2025 | 78.9% | 57 |
| December 2025 | 81.2% | 32 |
| January 2026 | 93.8% | 83 |
| February 2026 | 79.1% | 67 |
| March 2026 | 80.6% | 62 |
| April 2026 | 88.3% | 60 |
| May 2026 | 80.4% | 51 |
| June 2026 | 58.3% | 36 |
| July 2026 | 65.0% | 60 |
| August 2026 | 75.0% | 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