UA2157

UA2157 (United Airlines) is a multi-stop service on 7 routes, busiest Houston to Salt Lake City. Of 780 departures recorded from October 2024 to July 2026, 76.7% left on time, according to the US BTS.

Recorded departures by month

All legs under this number combined; see the leg table.

Months without data are left blank.

The most recent periods17 periods
PeriodDepartures 2025Departures 2026Change vs last year
January5636▼ 35.7%
February5628▼ 50.0%
March6031▼ 48.3%
April30300.0%
May2131▲ 47.6%
June–30–
July–30–
August26––
September60––
October62–in progress
November59––
December61––

according to the US BTS · October 2024 → July 2026

On-time departures by month

All legs combined

Months without data are left blank.

On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.

The most recent periods17 periods
PeriodOn time 2025On time 2026Change vs last year
January81.5%100.0%▲ 22.7%
February80.4%75.0%▼ 6.7%
March76.3%58.6%▼ 23.1%
April73.3%70.0%▼ 4.5%
May52.4%70.0%▲ 33.6%
June–63.3%–
July–66.7%–
August73.1%––
September93.3%––
October77.4%–in progress
November74.6%––
December78.7%––

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods17 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January20▼ 100.0%
February00–
March12▲ 100.0%
April00–
May01–
June–0–
July–0–
August0––
September0––
October0–in progress
November0––
December0––

according to the US BTS · October 2024 → July 2026

This is not a forecast

This is a historical record of departures already flown, not a forecast for your flight.

This number flies several legs

Several legs: the headline figure averages all of them. See the leg table.

Cancellation share

  • Not cancelled 99.1% 773
  • Cancelled 0.9% 7

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026

On time, leg by leg

  1. IAH–SLC344 74.8%
  2. SAT–IAH278 82.0%
  3. IAH–LAS98 70.1%
  4. IAH–IAD37 72.2%

Departures within 15 minutes of schedule; small figure = departures recorded.

Legs flown under this number

4
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 19 19 73.7% 0
November 2024 22 22 72.7% 0
December 2024 32 31 83.9% 1
January 2025 56 54 81.5% 2
February 2025 56 56 80.4% 0
March 2025 60 59 76.3% 1
April 2025 30 30 73.3% 0
May 2025 21 21 52.4% 0
August 2025 26 26 73.1% 0
September 2025 60 60 93.3% 0
October 2025 62 62 77.4% 0
November 2025 59 59 74.6% 0
December 2025 61 61 78.7% 0
January 2026 36 36 100.0% 0
February 2026 28 28 75.0% 0
March 2026 31 29 58.6% 2
April 2026 30 30 70.0% 0
May 2026 31 30 70.0% 1
June 2026 30 30 63.3% 0
July 2026 30 30 66.7% 0

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