UA491

UA491 (United Airlines) is a multi-stop service on 9 routes, busiest Houston to New Orleans. Of 1,029 departures recorded from October 2024 to July 2026, 91.7% 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 periods19 periods
PeriodDepartures 2025Departures 2026Change vs last year
January2944▲ 51.7%
February2846▲ 64.3%
March3361▲ 84.8%
April5660▲ 7.1%
May4162▲ 51.2%
June5660▲ 7.1%
July5857▼ 1.7%
August62––
September37––
October61–in progress
November59––
December43––
Year to date (Jan–Jul)301390▲ 29.6%

according to the US BTS · October 2024 → 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 periods19 periods
PeriodOn time 2025On time 2026Change vs last year
January92.3%86.4%▼ 6.4%
February96.4%93.5%▼ 3.1%
March81.8%93.3%▲ 14.1%
April94.6%98.3%▲ 3.9%
May85.4%91.9%▲ 7.7%
June92.6%93.3%▲ 0.8%
July81.0%87.7%▲ 8.3%
August95.1%––
September91.9%––
October96.7%–in progress
November86.4%––
December93.0%––
Year-to-date average (Jan–Jul)89.2%92.1%▲ 3.3%

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined
The most recent periods19 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January30▼ 100.0%
February00–
March01–
April00–
May00–
June20▼ 100.0%
July00–
August1––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)51▼ 80.0%

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 99.3% 1,022
  • Cancelled 0.7% 7

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

On time, leg by leg

  1. IAH–MSY571 92.6%
  2. LAX–IAH357 90.9%
  3. IAH–LGA31 74.2%

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

Legs flown under this number

3
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 100.0% 0
November 2024 30 30 93.3% 0
December 2024 26 26 96.2% 0
January 2025 29 26 92.3% 3
February 2025 28 28 96.4% 0
March 2025 33 33 81.8% 0
April 2025 56 56 94.6% 0
May 2025 41 41 85.4% 0
June 2025 56 54 92.6% 2
July 2025 58 58 81.0% 0
August 2025 62 61 95.1% 1
September 2025 37 37 91.9% 0
October 2025 61 61 96.7% 0
November 2025 59 59 86.4% 0
December 2025 43 43 93.0% 0
January 2026 44 44 86.4% 0
February 2026 46 46 93.5% 0
March 2026 61 60 93.3% 1
April 2026 60 60 98.3% 0
May 2026 62 62 91.9% 0
June 2026 60 60 93.3% 0
July 2026 57 57 87.7% 0

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