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Flight UA1537

United Airlines flight UA1537

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Looking for UA1537 in the air…

Denver (DEN) to Jackson (JAC)

Historically, this flight arrives 15+ minutes late 17% of the time, and when it is late the delay averages 72 minutes. It was cancelled 0.0% of the time.

On-time arrivals
83.4%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
72 min
Flights arriving 15+ minutes late
Flights tracked
274
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 41%
  • Airline (crew, maintenance, cleaning) 32%
  • Air traffic control & airport 17%
  • Extreme weather 10%
  • Security 0%

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

Philadelphia (PHL) to Denver (DEN)

Historically, this flight arrives 15+ minutes late 20% of the time, and when it is late the delay averages 71 minutes. It was cancelled 1.1% of the time.

On-time arrivals
80.4%
Less than 15 minutes late
Cancelled
1.1%
Of scheduled flights
Average delay when late
71 min
Flights arriving 15+ minutes late
Flights tracked
93
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 76%
  • Air traffic control & airport 24%
  • Late-arriving aircraft 0%
  • Extreme weather 0%
  • Security 0%

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

Dulles (IAD) to Denver (DEN)

Historically, this flight arrives 15+ minutes late 11% of the time, and when it is late the delay averages 43 minutes. It was cancelled 0.0% of the time.

On-time arrivals
88.7%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
43 min
Flights arriving 15+ minutes late
Flights tracked
53
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 64%
  • Airline (crew, maintenance, cleaning) 36%
  • Late-arriving aircraft 0%
  • Extreme weather 0%
  • Security 0%

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

Fayetteville/Springdale/Rogers (XNA) to Denver (DEN)

Historically, this flight arrives 15+ minutes late 17% of the time, and when it is late the delay averages 60 minutes. It was cancelled 2.7% of the time.

On-time arrivals
83.3%
Less than 15 minutes late
Cancelled
2.7%
Of scheduled flights
Average delay when late
60 min
Flights arriving 15+ minutes late
Flights tracked
37
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 72%
  • Airline (crew, maintenance, cleaning) 28%
  • Late-arriving aircraft 0%
  • Extreme weather 0%
  • Security 0%

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

Chicago (ORD) to Fort Myers (RSW)

Historically, this flight arrives 15+ minutes late 30% of the time, and when it is late the delay averages 40 minutes. It was cancelled 6.2% of the time.

On-time arrivals
70.0%
Less than 15 minutes late
Cancelled
6.2%
Of scheduled flights
Average delay when late
40 min
Flights arriving 15+ minutes late
Flights tracked
32
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 65%
  • Air traffic control & airport 31%
  • Airline (crew, maintenance, cleaning) 4%
  • Extreme weather 0%
  • Security 0%

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

San Jose (SJC) to Denver (DEN)

Historically, this flight arrives 15+ minutes late 4% of the time, and when it is late the delay averages 182 minutes. It was cancelled 0.0% of the time.

On-time arrivals
95.8%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
182 min
Flights arriving 15+ minutes late
Flights tracked
24
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).

Las Vegas (LAS) to Denver (DEN)

Historically, this flight arrives 15+ minutes late 5% of the time, and when it is late the delay averages 149 minutes. It was cancelled 0.0% of the time.

On-time arrivals
95.2%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
149 min
Flights arriving 15+ minutes late
Flights tracked
21
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).

In the news

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On-time arrivals by month
Sep 2025 Aug 2026
Show as table
MonthOn timeFlights
September 2025 94.3% 54
October 2025 93.5% 31
November 2025 93.3% 30
December 2025 77.8% 29
January 2026 80.4% 57
February 2026 85.7% 56
March 2026 87.1% 31
April 2026 71.4% 30
May 2026 87.5% 40
June 2026 78.8% 52
July 2026 75.8% 62
August 2026 82.0% 62

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

Latest airport & airline headlines

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