Flight UA2317
United Airlines flight UA2317
Looking for UA2317 in the airâŚ
Alerts at this flight's airports
Chicago (ORD) to Memphis (MEM)
Historically, this flight arrives 15+ minutes late 41% of the time, and when it is late the delay averages 78 minutes. It was cancelled 5.7% of the time.
- On-time arrivals
- 58.7%
- Less than 15 minutes late
- Cancelled
- 5.7%
- Of scheduled flights
- Average delay when late
- 78 min
- Flights arriving 15+ minutes late
- Flights tracked
- 244
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 66%
- Airline (crew, maintenance, cleaning) 20%
- Air traffic control & airport 12%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
San Francisco (SFO) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 54% of the time, and when it is late the delay averages 69 minutes. It was cancelled 1.9% of the time.
- On-time arrivals
- 45.5%
- Less than 15 minutes late
- Cancelled
- 1.9%
- Of scheduled flights
- Average delay when late
- 69 min
- Flights arriving 15+ minutes late
- Flights tracked
- 103
- 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).
Reno (RNO) to San Francisco (SFO)
Historically, this flight arrives 15+ minutes late 79% of the time, and when it is late the delay averages 55 minutes. It was cancelled 1.2% of the time.
- On-time arrivals
- 21.0%
- Less than 15 minutes late
- Cancelled
- 1.2%
- Of scheduled flights
- Average delay when late
- 55 min
- Flights arriving 15+ minutes late
- Flights tracked
- 82
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 82%
- Airline (crew, maintenance, cleaning) 18%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Great Falls (GTF) to Denver (DEN)
Historically, this flight arrives 15+ minutes late 17% of the time, and when it is late the delay averages 58 minutes. It was cancelled 3.2% of the time.
- On-time arrivals
- 83.3%
- Less than 15 minutes late
- Cancelled
- 3.2%
- Of scheduled flights
- Average delay when late
- 58 min
- Flights arriving 15+ minutes late
- Flights tracked
- 31
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 51%
- Airline (crew, maintenance, cleaning) 49%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Houston (IAH) to Newark (EWR)
Historically, this flight arrives 15+ minutes late 0% of the time. It was cancelled 0.0% of the time.
- 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
- 24
- Scheduled flights in the period
Phoenix (PHX) to San Francisco (SFO)
Only 19 flights on record, which is too few for reliable odds.
- On-time arrivals
- 57.9%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 118 min
- Flights arriving 15+ minutes late
- Flights tracked
- 19
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 82%
- Late-arriving aircraft 17%
- Airline (crew, maintenance, cleaning) 1%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Eagle (EGE) to Houston (IAH)
Only 18 flights on record, which is too few for reliable odds.
- On-time arrivals
- 77.8%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 105 min
- Flights arriving 15+ minutes late
- Flights tracked
- 18
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 71%
- Airline (crew, maintenance, cleaning) 17%
- Air traffic control & airport 12%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
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Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 100.0% | 30 |
| October 2025 | 76.7% | 31 |
| November 2025 | 71.4% | 29 |
| December 2025 | 67.7% | 31 |
| January 2026 | 40.0% | 23 |
| February 2026 | 59.1% | 22 |
| March 2026 | 51.9% | 30 |
| April 2026 | 64.3% | 30 |
| May 2026 | 62.5% | 40 |
| June 2026 | 40.2% | 90 |
| July 2026 | 36.0% | 93 |
| August 2026 | 46.5% | 72 |
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