UA1148

UA1148 (United Airlines) is a multi-stop service on 8 routes, busiest Houston to Sacramento. Of 659 departures recorded from May 2025 to July 2026, 76.0% left on time, according to the US BTS.

Recorded departures by month

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

The most recent periods15 periods
PeriodDepartures 2025Departures 2026Change vs last year
January–62–
February–39–
March–58–
April–60–
May3162▲ 100.0%
June3060▲ 100.0%
July3161▲ 96.8%
August31––
September30––
October31–in progress
November29––
December44––

according to the US BTS · May 2025 → July 2026

On-time departures by month

All legs combined

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

The most recent periods15 periods
PeriodOn time 2025On time 2026Change vs last year
January–88.7%–
February–89.7%–
March–78.6%–
April–73.3%–
May83.3%88.7%▲ 6.5%
June53.3%66.1%▲ 23.9%
July69.0%74.1%▲ 7.5%
August71.0%––
September63.3%––
October90.3%–in progress
November69.0%––
December65.9%––

according to the US BTS · May 2025 → July 2026

Average departure delay by month

All legs combined

according to the US BTS · May 2025 → July 2026

Cancelled departures by month

All legs combined
The most recent periods15 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January–0–
February–0–
March–2–
April–0–
May10▼ 100.0%
June01–
July23▲ 50.0%
August0––
September0––
October0–in progress
November0––
December0––

according to the US BTS · May 2025 → 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 98.6% 650
  • Cancelled 1.4% 9

Share of all recorded flights in the period, all legs. · May 1, 2025 → Jul 31, 2026

On time, leg by leg

  1. IAH–SMF225 73.7%
  2. BTV–DEN158 70.5%
  3. SMF–ORD149 84.0%
  4. PHX–IAH37 97.3%
  5. DCA–ORD35 58.8%

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

Legs flown under this number

5
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
May 2025 31 30 83.3% 1
June 2025 30 30 53.3% 0
July 2025 31 29 69.0% 2
August 2025 31 31 71.0% 0
September 2025 30 30 63.3% 0
October 2025 31 31 90.3% 0
November 2025 29 29 69.0% 0
December 2025 44 44 65.9% 0
January 2026 62 62 88.7% 0
February 2026 39 39 89.7% 0
March 2026 58 56 78.6% 2
April 2026 60 60 73.3% 0
May 2026 62 62 88.7% 0
June 2026 60 59 66.1% 1
July 2026 61 58 74.1% 3

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