Flight AA678
American Airlines flight AA678
Looking for AA678 in the airโฆ
Houston (IAH) to Miami (MIA)
Historically, this flight arrives 15+ minutes late 39% of the time, and when it is late the delay averages 110 minutes. It was cancelled 1.2% of the time.
- On-time arrivals
- 61.2%
- Less than 15 minutes late
- Cancelled
- 1.2%
- Of scheduled flights
- Average delay when late
- 110 min
- Flights arriving 15+ minutes late
- Flights tracked
- 86
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 63%
- Late-arriving aircraft 35%
- Air traffic control & airport 1%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Houston (IAH) to Philadelphia (PHL)
Historically, this flight arrives 15+ minutes late 14% of the time, and when it is late the delay averages 55 minutes. It was cancelled 7.3% of the time.
- On-time arrivals
- 85.5%
- Less than 15 minutes late
- Cancelled
- 7.3%
- 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
- Airline (crew, maintenance, cleaning) 70%
- Late-arriving aircraft 23%
- Air traffic control & airport 7%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Philadelphia (PHL) to Houston (IAH)
Historically, this flight arrives 15+ minutes late 13% of the time, and when it is late the delay averages 66 minutes. It was cancelled 3.8% of the time.
- On-time arrivals
- 86.8%
- Less than 15 minutes late
- Cancelled
- 3.8%
- Of scheduled flights
- Average delay when late
- 66 min
- Flights arriving 15+ minutes late
- Flights tracked
- 79
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 43%
- Late-arriving aircraft 31%
- Airline (crew, maintenance, cleaning) 25%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Miami (MIA) to Houston (IAH)
Historically, this flight arrives 15+ minutes late 28% of the time, and when it is late the delay averages 67 minutes. It was cancelled 1.6% of the time.
- On-time arrivals
- 72.1%
- Less than 15 minutes late
- Cancelled
- 1.6%
- Of scheduled flights
- Average delay when late
- 67 min
- Flights arriving 15+ minutes late
- Flights tracked
- 62
- Scheduled flights in the period
What caused the delays
- Extreme weather 41%
- Air traffic control & airport 34%
- Airline (crew, maintenance, cleaning) 23%
- Late-arriving aircraft 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Los Angeles (LAX)
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
- โ
- 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 | 71.7% | 60 |
| October 2025 | 52.8% | 36 |
| November 2025 | 100.0% | 2 |
| December 2025 | 69.2% | 14 |
| January 2026 | 89.2% | 41 |
| February 2026 | 94.9% | 42 |
| March 2026 | 79.2% | 54 |
| April 2026 | 100.0% | 10 |
| August 2026 | 67.3% | 51 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 โ August 2026. Covers flights operated by reporting U.S. carriers. About our data