UA2403

UA2403 (United Airlines) is a multi-stop service on 10 routes, busiest Los Angeles to Houston. Of 738 departures recorded from October 2024 to July 2026, 85.1% 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
January4831▼ 35.4%
February4823▼ 52.1%
March3119▼ 38.7%
April2622▼ 15.4%
May3133▲ 6.5%
June3051▲ 70.0%
July31310.0%
August31––
September35––
October49–in progress
November20––
December31––
Year to date (Jan–Jul)245210▼ 14.3%

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
January78.3%90.0%▲ 15.0%
February93.8%87.0%▼ 7.2%
March100.0%73.7%▼ 26.3%
April88.5%72.7%▼ 17.8%
May83.3%87.9%▲ 5.5%
June80.0%80.4%▲ 0.5%
July96.8%83.9%▼ 13.3%
August80.7%––
September85.7%––
October91.8%–in progress
November80.0%––
December61.3%––
Year-to-date average (Jan–Jul)88.7%82.2%▼ 7.3%

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
January21▼ 50.0%
February00–
March00–
April00–
May10▼ 100.0%
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)31▼ 66.7%

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% 733
  • Cancelled 0.7% 5

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

On time, leg by leg

  1. LAX–IAH335 85.6%
  2. EWR–LAX179 85.3%
  3. EWR–SEA68 83.8%
  4. MCO–EWR37 88.9%
  5. DEN–RSW36 97.2%

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
October 2024 25 24 91.7% 1
November 2024 59 59 88.1% 0
December 2024 33 33 84.9% 0
January 2025 48 46 78.3% 2
February 2025 48 48 93.8% 0
March 2025 31 31 100.0% 0
April 2025 26 26 88.5% 0
May 2025 31 30 83.3% 1
June 2025 30 30 80.0% 0
July 2025 31 31 96.8% 0
August 2025 31 31 80.7% 0
September 2025 35 35 85.7% 0
October 2025 49 49 91.8% 0
November 2025 20 20 80.0% 0
December 2025 31 31 61.3% 0
January 2026 31 30 90.0% 1
February 2026 23 23 87.0% 0
March 2026 19 19 73.7% 0
April 2026 22 22 72.7% 0
May 2026 33 33 87.9% 0
June 2026 51 51 80.4% 0
July 2026 31 31 83.9% 0

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