Flight AA1478
American Airlines flight AA1478
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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
Houston (IAH) to Charlotte (CLT)
Historically, this flight arrives 15+ minutes late 22% of the time, and when it is late the delay averages 95 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 78.2%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 95 min
- Flights arriving 15+ minutes late
- Flights tracked
- 174
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 49%
- Airline (crew, maintenance, cleaning) 35%
- Air traffic control & airport 15%
- Extreme weather 1%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
Charlotte (CLT) to Houston (IAH)
Historically, this flight arrives 15+ minutes late 13% of the time, and when it is late the delay averages 94 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 86.8%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 94 min
- Flights arriving 15+ minutes late
- Flights tracked
- 151
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 39%
- Airline (crew, maintenance, cleaning) 33%
- Air traffic control & airport 18%
- Extreme weather 10%
- 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 38% of the time, and when it is late the delay averages 62 minutes. It was cancelled 3.9% of the time.
- On-time arrivals
- 62.0%
- Less than 15 minutes late
- Cancelled
- 3.9%
- Of scheduled flights
- Average delay when late
- 62 min
- Flights arriving 15+ minutes late
- Flights tracked
- 76
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 48%
- Air traffic control & airport 33%
- Airline (crew, maintenance, cleaning) 20%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Phoenix (PHX) to San Diego (SAN)
Historically, this flight arrives 15+ minutes late 20% of the time, and when it is late the delay averages 71 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 79.5%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 71 min
- Flights arriving 15+ minutes late
- Flights tracked
- 44
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 78%
- Airline (crew, maintenance, cleaning) 11%
- Air traffic control & airport 11%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
New York (LGA) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 44% of the time, and when it is late the delay averages 100 minutes. It was cancelled 7.1% of the time.
- On-time arrivals
- 56.4%
- Less than 15 minutes late
- Cancelled
- 7.1%
- Of scheduled flights
- Average delay when late
- 100 min
- Flights arriving 15+ minutes late
- Flights tracked
- 42
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 76%
- Air traffic control & airport 17%
- Extreme weather 4%
- Airline (crew, maintenance, cleaning) 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
San Juan (SJU) to Miami (MIA)
Only 3 flights on record, which is too few for reliable odds.
- On-time arrivals
- 66.7%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 46 min
- Flights arriving 15+ minutes late
- Flights tracked
- 3
- 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).
Charlotte (CLT) to Richmond (RIC)
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
- —
- Flights arriving 15+ minutes late
- Flights tracked
- 1
- Scheduled flights in the period
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 84.7% | 59 |
| October 2025 | 81.7% | 60 |
| November 2025 | 78.8% | 33 |
| December 2025 | 82.9% | 35 |
| January 2026 | 100.0% | 10 |
| February 2026 | 87.9% | 33 |
| March 2026 | 80.0% | 60 |
| April 2026 | 83.3% | 36 |
| May 2026 | 66.7% | 42 |
| June 2026 | 64.3% | 60 |
| July 2026 | 57.1% | 32 |
| August 2026 | 64.5% | 31 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data