Flight UA709
United Airlines flight UA709
Looking for UA709 in the airâŚ
Alerts at this flight's airports
Denver (DEN) to Baltimore (BWI)
Historically, this flight arrives 15+ minutes late 23% of the time, and when it is late the delay averages 58 minutes. It was cancelled 1.4% of the time.
- On-time arrivals
- 76.6%
- Less than 15 minutes late
- Cancelled
- 1.4%
- Of scheduled flights
- Average delay when late
- 58 min
- Flights arriving 15+ minutes late
- Flights tracked
- 295
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 48%
- Airline (crew, maintenance, cleaning) 26%
- Air traffic control & airport 25%
- 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 19% of the time, and when it is late the delay averages 82 minutes. It was cancelled 2.0% of the time.
- On-time arrivals
- 81.1%
- Less than 15 minutes late
- Cancelled
- 2.0%
- Of scheduled flights
- Average delay when late
- 82 min
- Flights arriving 15+ minutes late
- Flights tracked
- 98
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 73%
- Late-arriving aircraft 22%
- Airline (crew, maintenance, cleaning) 6%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Dulles (IAD) to Phoenix (PHX)
Historically, this flight arrives 15+ minutes late 1% of the time, and when it is late the delay averages 71 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 98.6%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 71 min
- Flights arriving 15+ minutes late
- Flights tracked
- 71
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 63%
- Airline (crew, maintenance, cleaning) 37%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Baltimore (BWI) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 22% of the time, and when it is late the delay averages 30 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 78.3%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 30 min
- Flights arriving 15+ minutes late
- Flights tracked
- 46
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 64%
- Airline (crew, maintenance, cleaning) 25%
- Late-arriving aircraft 11%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to New York (LGA)
Historically, this flight arrives 15+ minutes late 28% of the time, and when it is late the delay averages 51 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 72.5%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 51 min
- Flights arriving 15+ minutes late
- Flights tracked
- 40
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 78%
- Air traffic control & airport 21%
- Airline (crew, maintenance, cleaning) 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Denver (DEN) to Dayton (DAY)
Historically, this flight arrives 15+ minutes late 57% of the time, and when it is late the delay averages 85 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 42.9%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 85 min
- Flights arriving 15+ minutes late
- Flights tracked
- 21
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 68%
- Air traffic control & airport 16%
- Airline (crew, maintenance, cleaning) 14%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
San Francisco (SFO) to Miami (MIA)
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 | 60.0% | 30 |
| October 2025 | 96.8% | 31 |
| November 2025 | 79.3% | 29 |
| December 2025 | 80.6% | 31 |
| January 2026 | 86.2% | 31 |
| February 2026 | 81.5% | 28 |
| March 2026 | 81.9% | 85 |
| April 2026 | 93.3% | 90 |
| May 2026 | 79.7% | 65 |
| June 2026 | 60.0% | 35 |
| July 2026 | 78.9% | 57 |
| August 2026 | 55.9% | 60 |
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