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Flight AA1277

American Airlines flight AA1277

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Looking for AA1277 in the airโ€ฆ

Chicago (ORD) to Miami (MIA)

Historically, this flight arrives 15+ minutes late 34% of the time, and when it is late the delay averages 92 minutes. It was cancelled 1.5% of the time.

On-time arrivals
65.9%
Less than 15 minutes late
Cancelled
1.5%
Of scheduled flights
Average delay when late
92 min
Flights arriving 15+ minutes late
Flights tracked
131
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 47%
  • Late-arriving aircraft 34%
  • Air traffic control & airport 12%
  • Extreme weather 8%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Boston (BOS) to Los Angeles (LAX)

Historically, this flight arrives 15+ minutes late 16% of the time, and when it is late the delay averages 99 minutes. It was cancelled 0.0% of the time.

On-time arrivals
83.6%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
99 min
Flights arriving 15+ minutes late
Flights tracked
73
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 52%
  • Airline (crew, maintenance, cleaning) 26%
  • Air traffic control & airport 17%
  • Extreme weather 4%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Charleston (CHS) to Dallas-Fort Worth (DFW)

Historically, this flight arrives 15+ minutes late 23% of the time, and when it is late the delay averages 188 minutes. It was cancelled 2.3% of the time.

On-time arrivals
76.7%
Less than 15 minutes late
Cancelled
2.3%
Of scheduled flights
Average delay when late
188 min
Flights arriving 15+ minutes late
Flights tracked
44
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 73%
  • Late-arriving aircraft 14%
  • Air traffic control & airport 13%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Dallas-Fort Worth (DFW) to Charleston (CHS)

Historically, this flight arrives 15+ minutes late 25% of the time, and when it is late the delay averages 45 minutes. It was cancelled 0.0% of the time.

On-time arrivals
75.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
45 min
Flights arriving 15+ minutes late
Flights tracked
44
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 52%
  • Air traffic control & airport 25%
  • Airline (crew, maintenance, cleaning) 13%
  • Extreme weather 10%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Dallas-Fort Worth (DFW) to New York (LGA)

Historically, this flight arrives 15+ minutes late 60% of the time, and when it is late the delay averages 115 minutes. It was cancelled 0.0% of the time.

On-time arrivals
40.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
115 min
Flights arriving 15+ minutes late
Flights tracked
26
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 54%
  • Airline (crew, maintenance, cleaning) 26%
  • Air traffic control & airport 20%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Miami (MIA) to Los Angeles (LAX)

Historically, this flight arrives 15+ minutes late 35% of the time, and when it is late the delay averages 36 minutes. It was cancelled 0.0% of the time.

On-time arrivals
65.2%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
36 min
Flights arriving 15+ minutes late
Flights tracked
24
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 49%
  • Late-arriving aircraft 27%
  • Air traffic control & airport 24%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Denver (DEN) to Chicago (ORD)

Historically, this flight arrives 15+ minutes late 61% of the time, and when it is late the delay averages 182 minutes. It was cancelled 0.0% of the time.

On-time arrivals
39.1%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
182 min
Flights arriving 15+ minutes late
Flights tracked
23
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 51%
  • Late-arriving aircraft 26%
  • Air traffic control & airport 18%
  • Extreme weather 5%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Chicago (ORD) to Denver (DEN)

Historically, this flight arrives 15+ minutes late 36% of the time, and when it is late the delay averages 73 minutes. It was cancelled 4.3% of the time.

On-time arrivals
63.6%
Less than 15 minutes late
Cancelled
4.3%
Of scheduled flights
Average delay when late
73 min
Flights arriving 15+ minutes late
Flights tracked
23
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 54%
  • Air traffic control & airport 25%
  • Airline (crew, maintenance, cleaning) 21%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

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On-time arrivals by month
Sep 2025 Aug 2026
Show as table
MonthOn timeFlights
September 2025 76.7% 30
October 2025 71.0% 31
November 2025 100.0% 1
December 2025 66.7% 27
January 2026 44.8% 31
February 2026 66.7% 28
March 2026 44.4% 28
April 2026 78.8% 53
May 2026 73.5% 49
June 2026 82.8% 29
July 2026 80.6% 31
August 2026 55.1% 50

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.