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Flight UA2166

United Airlines flight UA2166

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

    COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST MONDAY

    Weather

Denver (DEN) to Wichita (ICT)

Historically, this flight arrives 15+ minutes late 37% of the time, and when it is late the delay averages 81 minutes. It was cancelled 0.8% of the time.

On-time arrivals
62.9%
Less than 15 minutes late
Cancelled
0.8%
Of scheduled flights
Average delay when late
81 min
Flights arriving 15+ minutes late
Flights tracked
126
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 64%
  • Airline (crew, maintenance, cleaning) 21%
  • Air traffic control & airport 11%
  • Extreme weather 4%
  • Security 0%

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

Bozeman (BZN) to Denver (DEN)

Historically, this flight arrives 15+ minutes late 32% of the time, and when it is late the delay averages 68 minutes. It was cancelled 0.0% of the time.

On-time arrivals
67.8%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
68 min
Flights arriving 15+ minutes late
Flights tracked
59
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 54%
  • Late-arriving aircraft 39%
  • Airline (crew, maintenance, cleaning) 7%
  • Extreme weather 0%
  • Security 0%

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

Phoenix (PHX) to Newark (EWR)

Historically, this flight arrives 15+ minutes late 0% of the time. It was cancelled 0.0% of the time.

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
32
Scheduled flights in the period

Newark (EWR) to Salt Lake City (SLC)

Historically, this flight arrives 15+ minutes late 16% of the time, and when it is late the delay averages 33 minutes. It was cancelled 0.0% of the time.

On-time arrivals
83.9%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
33 min
Flights arriving 15+ minutes late
Flights tracked
31
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 82%
  • Airline (crew, maintenance, cleaning) 10%
  • Late-arriving aircraft 9%
  • Extreme weather 0%
  • Security 0%

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

Chicago (ORD) to San Francisco (SFO)

Historically, this flight arrives 15+ minutes late 13% of the time, and when it is late the delay averages 91 minutes. It was cancelled 0.0% of the time.

On-time arrivals
87.1%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
91 min
Flights arriving 15+ minutes late
Flights tracked
31
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 69%
  • Air traffic control & airport 22%
  • Airline (crew, maintenance, cleaning) 5%
  • Extreme weather 3%
  • Security 0%

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

Salt Lake City (SLC) to San Francisco (SFO)

Historically, this flight arrives 15+ minutes late 23% of the time, and when it is late the delay averages 49 minutes. It was cancelled 0.0% of the time.

On-time arrivals
77.4%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
49 min
Flights arriving 15+ minutes late
Flights tracked
31
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 91%
  • Airline (crew, maintenance, cleaning) 6%
  • Late-arriving aircraft 3%
  • Extreme weather 0%
  • Security 0%

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

Houston (IAH) to Dallas-Fort Worth (DFW)

Historically, this flight arrives 15+ minutes late 17% of the time, and when it is late the delay averages 88 minutes. It was cancelled 14.8% of the time.

On-time arrivals
82.6%
Less than 15 minutes late
Cancelled
14.8%
Of scheduled flights
Average delay when late
88 min
Flights arriving 15+ minutes late
Flights tracked
27
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 63%
  • Air traffic control & airport 37%
  • Late-arriving aircraft 0%
  • Extreme weather 0%
  • Security 0%

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

Newark (EWR) to Houston (IAH)

Historically, this flight arrives 15+ minutes late 15% of the time, and when it is late the delay averages 35 minutes. It was cancelled 4.8% of the time.

On-time arrivals
85.0%
Less than 15 minutes late
Cancelled
4.8%
Of scheduled flights
Average delay when late
35 min
Flights arriving 15+ minutes late
Flights tracked
21
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 73%
  • Air traffic control & airport 27%
  • Late-arriving aircraft 0%
  • Extreme weather 0%
  • Security 0%

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

Houston (IAH) to San Francisco (SFO)

Historically, this flight arrives 15+ minutes late 14% of the time, and when it is late the delay averages 55 minutes. It was cancelled 0.0% of the time.

On-time arrivals
85.7%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
55 min
Flights arriving 15+ minutes late
Flights tracked
21
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 89%
  • Airline (crew, maintenance, cleaning) 11%
  • Late-arriving aircraft 0%
  • Extreme weather 0%
  • Security 0%

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

Jacksonville (JAX) to Newark (EWR)

Historically, this flight arrives 15+ minutes late 10% of the time, and when it is late the delay averages 57 minutes. It was cancelled 4.8% of the time.

On-time arrivals
90.0%
Less than 15 minutes late
Cancelled
4.8%
Of scheduled flights
Average delay when late
57 min
Flights arriving 15+ minutes late
Flights tracked
21
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 80%
  • Air traffic control & airport 20%
  • Airline (crew, maintenance, cleaning) 0%
  • Extreme weather 0%
  • Security 0%

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

Chicago (ORD) to Newark (EWR)

Historically, this flight arrives 15+ minutes late 19% of the time, and when it is late the delay averages 206 minutes. It was cancelled 0.0% of the time.

On-time arrivals
81.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
206 min
Flights arriving 15+ minutes late
Flights tracked
21
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 66%
  • Late-arriving aircraft 23%
  • Airline (crew, maintenance, cleaning) 11%
  • Extreme weather 0%
  • Security 0%

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

Oklahoma City (OKC) to Denver (DEN)

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

Chicago (ORD) to Tampa (TPA)

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 77.8% 36
October 2025 76.8% 56
November 2025 84.2% 23
December 2025 64.5% 31
January 2026 92.3% 26
February 2026 84.7% 61
March 2026 81.6% 39
April 2026 100.0% 30
May 2026 74.2% 31
June 2026 63.3% 30
July 2026 60.0% 30
August 2026 56.7% 31

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.