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Flight UA1066

United Airlines flight UA1066

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  • Advisory Coastal Flood Advisory OAK, SFO, SQL, STS

    COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST MONDAY

    Weather

Houston (IAH) to Denver (DEN)

Historically, this flight arrives 15+ minutes late 11% of the time, and when it is late the delay averages 73 minutes. It was cancelled 0.5% of the time.

On-time arrivals
89.2%
Less than 15 minutes late
Cancelled
0.5%
Of scheduled flights
Average delay when late
73 min
Flights arriving 15+ minutes late
Flights tracked
196
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 54%
  • Airline (crew, maintenance, cleaning) 28%
  • Extreme weather 10%
  • Air traffic control & airport 8%
  • Security 0%

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

New York (LGA) to Houston (IAH)

Historically, this flight arrives 15+ minutes late 52% of the time, and when it is late the delay averages 216 minutes. It was cancelled 2.1% of the time.

On-time arrivals
47.8%
Less than 15 minutes late
Cancelled
2.1%
Of scheduled flights
Average delay when late
216 min
Flights arriving 15+ minutes late
Flights tracked
47
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 38%
  • Extreme weather 28%
  • Airline (crew, maintenance, cleaning) 26%
  • Air traffic control & airport 8%
  • Security 0%

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

Phoenix (PHX) to Houston (IAH)

Historically, this flight arrives 15+ minutes late 3% of the time, and when it is late the delay averages 542 minutes. It was cancelled 0.0% of the time.

On-time arrivals
97.2%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
542 min
Flights arriving 15+ minutes late
Flights tracked
36
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).

Newark (EWR) to Dallas-Fort Worth (DFW)

Historically, this flight arrives 15+ minutes late 19% of the time, and when it is late the delay averages 129 minutes. It was cancelled 7.1% of the time.

On-time arrivals
80.8%
Less than 15 minutes late
Cancelled
7.1%
Of scheduled flights
Average delay when late
129 min
Flights arriving 15+ minutes late
Flights tracked
28
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 37%
  • Late-arriving aircraft 32%
  • Air traffic control & airport 32%
  • Extreme weather 0%
  • Security 0%

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

Denver (DEN) to Bozeman (BZN)

Historically, this flight arrives 15+ minutes late 4% of the time, and when it is late the delay averages 68 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
68 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).

Columbus (CMH) to Dulles (IAD)

Historically, this flight arrives 15+ minutes late 13% of the time, and when it is late the delay averages 29 minutes. It was cancelled 0.0% of the time.

On-time arrivals
87.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
29 min
Flights arriving 15+ minutes late
Flights tracked
23
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 67%
  • Airline (crew, maintenance, cleaning) 33%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

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

Burbank (BUR) to San Francisco (SFO)

Historically, this flight arrives 15+ minutes late 43% of the time, and when it is late the delay averages 72 minutes. It was cancelled 0.0% of the time.

On-time arrivals
57.1%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
72 min
Flights arriving 15+ minutes late
Flights tracked
21
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 72%
  • Air traffic control & airport 24%
  • Airline (crew, maintenance, cleaning) 4%
  • Extreme weather 0%
  • Security 0%

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

Los Angeles (LAX) to Salt Lake City (SLC)

Only 19 flights on record, which is too few for reliable odds.

On-time arrivals
52.6%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
63 min
Flights arriving 15+ minutes late
Flights tracked
19
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 77%
  • Airline (crew, maintenance, cleaning) 23%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

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

Milwaukee (MKE) to Denver (DEN)

Only 16 flights on record, which is too few for reliable odds.

On-time arrivals
75.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
93 min
Flights arriving 15+ minutes late
Flights tracked
16
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 76%
  • Air traffic control & airport 15%
  • Late-arriving aircraft 9%
  • Extreme weather 0%
  • Security 0%

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

San Antonio (SAT) to Houston (IAH)

Only 2 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
2
Scheduled flights in the period

Tucson (TUS) to Houston (IAH)

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
—
Flights arriving 15+ minutes late
Flights tracked
1
Scheduled flights in the period

In the news

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On-time arrivals by month
Sep 2025 Aug 2026
Show as table
MonthOn timeFlights
September 2025 96.6% 29
October 2025 85.7% 21
November 2025 80.0% 27
December 2025 64.5% 31
January 2026 91.2% 57
February 2026 97.3% 37
March 2026 83.3% 31
April 2026 93.3% 30
May 2026 90.3% 31
June 2026 81.5% 27
July 2026 64.2% 54
August 2026 55.3% 38

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.