UA596

UA596 (United Airlines) is a multi-stop service on 16 routes, busiest Las Vegas to Denver. Of 855 departures recorded from October 2024 to July 2026, 88.9% 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
January2531▲ 24.0%
February2428▲ 16.7%
March3134▲ 9.7%
April3060▲ 100.0%
May3161▲ 96.8%
June3450▲ 47.1%
July5335▼ 34.0%
August67––
September36––
October56–in progress
November59––
December32––
Year to date (Jan–Jul)228299▲ 31.1%

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
January72.0%96.8%▲ 34.4%
February87.5%100.0%▲ 14.3%
March87.1%94.1%▲ 8.1%
April83.3%98.3%▲ 18.0%
May83.9%93.4%▲ 11.4%
June82.4%96.0%▲ 16.6%
July88.5%94.3%▲ 6.6%
August81.8%––
September97.2%––
October96.4%–in progress
November91.5%––
December100.0%––
Year-to-date average (Jan–Jul)83.5%96.1%▲ 15.1%

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–
March00–
April00–
May00–
June00–
July10▼ 100.0%
August1––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)10▼ 100.0%

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 99.6% 852
  • Cancelled 0.4% 3

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

On time, leg by leg

  1. LAS–DEN457 96.3%
  2. EWR–MSN69 58.8%
  3. DEN–MCI53 86.8%
  4. DEN–DTW32 96.9%
  5. DEN–SAV31 93.6%
  6. DEN–CLE30 86.7%

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

Legs flown under this number

6
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 85.0% 0
November 2024 29 29 48.3% 0
December 2024 29 28 67.9% 1
January 2025 25 25 72.0% 0
February 2025 24 24 87.5% 0
March 2025 31 31 87.1% 0
April 2025 30 30 83.3% 0
May 2025 31 31 83.9% 0
June 2025 34 34 82.4% 0
July 2025 53 52 88.5% 1
August 2025 67 66 81.8% 1
September 2025 36 36 97.2% 0
October 2025 56 56 96.4% 0
November 2025 59 59 91.5% 0
December 2025 32 32 100.0% 0
January 2026 31 31 96.8% 0
February 2026 28 28 100.0% 0
March 2026 34 34 94.1% 0
April 2026 60 60 98.3% 0
May 2026 61 61 93.4% 0
June 2026 50 50 96.0% 0
July 2026 35 35 94.3% 0

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