UA1546

UA1546 (United Airlines) is a multi-stop service on 11 routes, busiest Los Angeles to Las Vegas. Of 738 departures recorded from October 2024 to July 2026, 86.2% 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
January30300.0%
February2635▲ 34.6%
March3146▲ 48.4%
April2126▲ 23.8%
May2838▲ 35.7%
June3043▲ 43.3%
July3152▲ 67.7%
August42––
September37––
October56–in progress
November29––
December29––
Year to date (Jan–Jul)197270▲ 37.1%

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
January93.3%86.7%▼ 7.1%
February88.5%80.0%▼ 9.6%
March80.7%82.2%▲ 1.9%
April90.5%84.6%▼ 6.5%
May96.4%81.6%▼ 15.4%
June86.7%79.1%▼ 8.8%
July83.9%76.9%▼ 8.3%
August81.0%––
September89.2%––
October94.6%–in progress
November93.1%––
December82.8%––
Year-to-date average (Jan–Jul)88.6%81.6%▼ 7.9%

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
January00–
February00–
March01–
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)01

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 99.9% 737
  • Cancelled 0.1% 1

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

On time, leg by leg

  1. LAX–LAS463 86.8%
  2. BWI–LAX92 78.3%
  3. SEA–LAX68 86.8%
  4. MIA–SFO37 94.6%

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 20 20 95.0% 0
November 2024 30 30 93.3% 0
December 2024 28 28 89.3% 0
January 2025 30 30 93.3% 0
February 2025 26 26 88.5% 0
March 2025 31 31 80.7% 0
April 2025 21 21 90.5% 0
May 2025 28 28 96.4% 0
June 2025 30 30 86.7% 0
July 2025 31 31 83.9% 0
August 2025 42 42 81.0% 0
September 2025 37 37 89.2% 0
October 2025 56 56 94.6% 0
November 2025 29 29 93.1% 0
December 2025 29 29 82.8% 0
January 2026 30 30 86.7% 0
February 2026 35 35 80.0% 0
March 2026 46 45 82.2% 1
April 2026 26 26 84.6% 0
May 2026 38 38 81.6% 0
June 2026 43 43 79.1% 0
July 2026 52 52 76.9% 0

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