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Flight UA2157

United Airlines flight UA2157

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Looking for UA2157 in the air…

Houston (IAH) to Salt Lake City (SLC)

Historically, this flight arrives 15+ minutes late 23% of the time, and when it is late the delay averages 79 minutes. It was cancelled 0.8% of the time.

On-time arrivals
76.9%
Less than 15 minutes late
Cancelled
0.8%
Of scheduled flights
Average delay when late
79 min
Flights arriving 15+ minutes late
Flights tracked
362
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 57%
  • Airline (crew, maintenance, cleaning) 30%
  • Air traffic control & airport 10%
  • Extreme weather 3%
  • Security 0%

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

San Antonio (SAT) to Houston (IAH)

Historically, this flight arrives 15+ minutes late 35% of the time, and when it is late the delay averages 52 minutes. It was cancelled 0.0% of the time.

On-time arrivals
65.4%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
52 min
Flights arriving 15+ minutes late
Flights tracked
127
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 48%
  • Late-arriving aircraft 37%
  • Airline (crew, maintenance, cleaning) 15%
  • Extreme weather 0%
  • Security 0%

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

In the news

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

On-time arrivals by month
Sep 2025 Aug 2026
Show as table
MonthOn timeFlights
September 2025 81.7% 60
October 2025 58.1% 62
November 2025 72.9% 59
December 2025 75.4% 61
January 2026 97.2% 36
February 2026 85.7% 28
March 2026 69.0% 31
April 2026 76.7% 30
May 2026 73.3% 31
June 2026 66.7% 30
July 2026 73.3% 30
August 2026 61.3% 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.