Flight UA224
United Airlines flight UA224
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Watch Ground Delay Program SAN
Ground Delay Program at San Diego International Airport (SAN): Average 37 minutes, up to 1 hour and 11 minutes
Reason: airport volume
Airport status
Chicago (ORD) to Bozeman (BZN)
Historically, this flight arrives 15+ minutes late 19% of the time, and when it is late the delay averages 49 minutes. It was cancelled 0.4% of the time.
- On-time arrivals
- 81.3%
- Less than 15 minutes late
- Cancelled
- 0.4%
- Of scheduled flights
- Average delay when late
- 49 min
- Flights arriving 15+ minutes late
- Flights tracked
- 285
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 37%
- Airline (crew, maintenance, cleaning) 30%
- Late-arriving aircraft 30%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Richmond (RIC) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 17% of the time, and when it is late the delay averages 54 minutes. It was cancelled 2.8% of the time.
- On-time arrivals
- 83.4%
- Less than 15 minutes late
- Cancelled
- 2.8%
- Of scheduled flights
- Average delay when late
- 54 min
- Flights arriving 15+ minutes late
- Flights tracked
- 211
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 48%
- Air traffic control & airport 47%
- Late-arriving aircraft 3%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Baltimore (BWI) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 8% of the time, and when it is late the delay averages 194 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 91.7%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 194 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).
San Diego (SAN) to Houston (IAH)
Historically, this flight arrives 15+ minutes late 5% of the time, and when it is late the delay averages 38 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 95.2%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 38 min
- Flights arriving 15+ minutes late
- Flights tracked
- 21
- 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).
Chicago (ORD) to Hayden (HDN)
Only 19 flights on record, which is too few for reliable odds.
- On-time arrivals
- 78.9%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 66 min
- Flights arriving 15+ minutes late
- Flights tracked
- 19
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 73%
- Air traffic control & airport 27%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Kansas City (MCI) to Denver (DEN)
Only 16 flights on record, which is too few for reliable odds.
- On-time arrivals
- 75.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 98 min
- Flights arriving 15+ minutes late
- Flights tracked
- 16
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 52%
- Extreme weather 40%
- Late-arriving aircraft 8%
- Airline (crew, maintenance, cleaning) 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Des Moines (DSM)
Only 16 flights on record, which is too few for reliable odds.
- On-time arrivals
- 87.5%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 70 min
- Flights arriving 15+ minutes late
- Flights tracked
- 16
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 76%
- Air traffic control & airport 24%
- Airline (crew, maintenance, cleaning) 0%
- 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 | 90.0% | 50 |
| October 2025 | 84.4% | 45 |
| November 2025 | 86.2% | 30 |
| December 2025 | 77.8% | 45 |
| January 2026 | 66.7% | 36 |
| February 2026 | 89.3% | 28 |
| March 2026 | 75.5% | 53 |
| April 2026 | 78.6% | 60 |
| May 2026 | 83.6% | 61 |
| June 2026 | 86.7% | 60 |
| July 2026 | 84.7% | 62 |
| August 2026 | 88.7% | 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