Flight AA1501

American Airlines flight AA1501

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Bozeman (BZN) to Chicago (ORD)

Historically, this flight arrives 15+ minutes late 39% of the time, and when it is late the delay averages 56 minutes. It was cancelled 0.0% of the time.

On-time arrivals

60.7%

Less than 15 minutes late

Cancelled

0.0%

Of scheduled flights

Average delay when late

56 min

Flights arriving 15+ minutes late

Flights tracked

62

Scheduled flights in the period

What caused the delays

• Late-arriving aircraft 61%
• Air traffic control & airport 22%
• Airline (crew, maintenance, cleaning) 9%
• Extreme weather 8%
• Security 0%

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

Nashville (BNA) to Miami (MIA)

Historically, this flight arrives 15+ minutes late 66% of the time, and when it is late the delay averages 90 minutes. It was cancelled 0.0% of the time.

On-time arrivals

33.9%

Less than 15 minutes late

Cancelled

0.0%

Of scheduled flights

Average delay when late

90 min

Flights arriving 15+ minutes late

Flights tracked

59

Scheduled flights in the period

What caused the delays

• Late-arriving aircraft 79%
• Airline (crew, maintenance, cleaning) 13%
• Air traffic control & airport 6%
• Extreme weather 3%
• Security 0%

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

Miami (MIA) to Nashville (BNA)

Historically, this flight arrives 15+ minutes late 64% of the time, and when it is late the delay averages 82 minutes. It was cancelled 0.0% of the time.

On-time arrivals

35.6%

Less than 15 minutes late

Cancelled

0.0%

Of scheduled flights

Average delay when late

82 min

Flights arriving 15+ minutes late

Flights tracked

59

Scheduled flights in the period

What caused the delays

• Extreme weather 32%
• Late-arriving aircraft 32%
• Airline (crew, maintenance, cleaning) 19%
• Air traffic control & airport 17%
• Security 0%

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

San Juan (SJU) to Miami (MIA)

Historically, this flight arrives 15+ minutes late 2% of the time, and when it is late the delay averages 101 minutes. It was cancelled 1.8% of the time.

On-time arrivals

98.1%

Less than 15 minutes late

Cancelled

1.8%

Of scheduled flights

Average delay when late

101 min

Flights arriving 15+ minutes late

Flights tracked

55

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).

Miami (MIA) to Las Vegas (LAS)

Historically, this flight arrives 15+ minutes late 32% of the time, and when it is late the delay averages 89 minutes. It was cancelled 0.0% of the time.

On-time arrivals

68.2%

Less than 15 minutes late

Cancelled

0.0%

Of scheduled flights

Average delay when late

89 min

Flights arriving 15+ minutes late

Flights tracked

44

Scheduled flights in the period

What caused the delays

• Late-arriving aircraft 65%
• Air traffic control & airport 20%
• Airline (crew, maintenance, cleaning) 15%
• Extreme weather 0%
• Security 0%

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

Chicago (ORD) to Bozeman (BZN)

Historically, this flight arrives 15+ minutes late 23% of the time, and when it is late the delay averages 78 minutes. It was cancelled 0.0% of the time.

On-time arrivals

77.1%

Less than 15 minutes late

Cancelled

0.0%

Of scheduled flights

Average delay when late

78 min

Flights arriving 15+ minutes late

Flights tracked

35

Scheduled flights in the period

What caused the delays

• Airline (crew, maintenance, cleaning) 46%
• Late-arriving aircraft 44%
• Air traffic control & airport 9%
• Extreme weather 0%
• Security 0%

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

New Orleans (MSY) to Washington (DCA)

Historically, this flight arrives 15+ minutes late 50% of the time, and when it is late the delay averages 73 minutes. It was cancelled 0.0% of the time.

On-time arrivals

50.0%

Less than 15 minutes late

Cancelled

0.0%

Of scheduled flights

Average delay when late

73 min

Flights arriving 15+ minutes late

Flights tracked

22

Scheduled flights in the period

What caused the delays

• Late-arriving aircraft 64%
• Air traffic control & airport 27%
• Airline (crew, maintenance, cleaning) 9%
• Extreme weather 0%
• Security 0%

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

Dallas-Fort Worth (DFW) to Pensacola (PNS)

Only 15 flights on record, which is too few for reliable odds.

On-time arrivals

53.3%

Less than 15 minutes late

Cancelled

0.0%

Of scheduled flights

Average delay when late

154 min

Flights arriving 15+ minutes late

Flights tracked

15

Scheduled flights in the period

What caused the delays

• Airline (crew, maintenance, cleaning) 55%
• Late-arriving aircraft 45%
• Air traffic control & airport 0%
• Extreme weather 0%
• Security 0%

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

Phoenix (PHX) to Fort Myers (RSW)

Only 14 flights on record, which is too few for reliable odds.

On-time arrivals

78.6%

Less than 15 minutes late

Cancelled

0.0%

Of scheduled flights

Average delay when late

38 min

Flights arriving 15+ minutes late

Flights tracked

14

Scheduled flights in the period

What caused the delays

• Airline (crew, maintenance, cleaning) 80%
• Late-arriving aircraft 16%
• Air traffic control & airport 4%
• Extreme weather 0%
• Security 0%

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

Dallas-Fort Worth (DFW) to Sacramento (SMF)

Only 11 flights on record, which is too few for reliable odds.

On-time arrivals

40.0%

Less than 15 minutes late

Cancelled

9.1%

Of scheduled flights

Average delay when late

43 min

Flights arriving 15+ minutes late

Flights tracked

11

Scheduled flights in the period

What caused the delays

• Late-arriving aircraft 74%
• Airline (crew, maintenance, cleaning) 20%
• Air traffic control & airport 6%
• Extreme weather 0%
• Security 0%

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

Indianapolis (IND) to Charlotte (CLT)

Only 6 flights 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

6

Scheduled flights in the period

El Paso (ELP) to Phoenix (PHX)

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

31 min

Flights arriving 15+ minutes late

Flights tracked

3

Scheduled flights in the period

What caused the delays

• Air traffic control & airport 55%
• Late-arriving aircraft 45%
• Airline (crew, maintenance, cleaning) 0%
• Extreme weather 0%
• Security 0%

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

Phoenix (PHX) to El Paso (ELP)

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

35 min

Flights arriving 15+ minutes late

Flights tracked

3

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).

Sep 2025 Aug 2026

Show as table

Month	On time	Flights
September 2025	70.0%	60
October 2025	59.4%	32
November 2025	80.8%	27
December 2025	52.6%	19
January 2026	92.9%	30
February 2026	96.0%	25
March 2026	66.7%	6
April 2026	62.5%	24
May 2026	50.0%	38
June 2026	39.6%	48
July 2026	37.0%	46
August 2026	46.9%	33

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