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Flight AA678

American Airlines flight AA678

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Looking for AA678 in the airโ€ฆ

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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On-time arrivals by month
Sep 2025 Aug 2026
Show as table
MonthOn timeFlights
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

Latest airport & airline headlines

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Headlines found by Google News; stories open on the publisher's site.