UA1333

UA1333 (United Airlines) is a multi-stop service on 21 routes, busiest Denver to New York. Of 999 departures recorded from October 2024 to July 2026, 75.8% 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
January3141▲ 32.3%
February2831▲ 10.7%
March5134▼ 33.3%
April3059▲ 96.7%
May3611▼ 69.4%
June562▼ 96.4%
July5812▼ 79.3%
August59––
September64––
October82–in progress
November58––
December80––
Year to date (Jan–Jul)290190▼ 34.5%

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
January76.7%73.2%▼ 4.6%
February71.4%80.7%▲ 12.9%
March72.6%78.8%▲ 8.6%
April66.7%79.7%▲ 19.5%
May52.8%63.6%▲ 20.6%
June68.5%100.0%▲ 45.9%
July65.5%66.7%▲ 1.9%
August71.2%––
September87.3%––
October85.4%–in progress
November72.4%––
December69.2%––
Year-to-date average (Jan–Jul)67.7%77.5%▲ 14.5%

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
January10▼ 100.0%
February00–
March01–
April00–
May00–
June20▼ 100.0%
July30▼ 100.0%
August0––
September1––
October0–in progress
November0––
December2––
Year to date (Jan–Jul)61▼ 83.3%

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 99.0% 989
  • Cancelled 1.0% 10

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 16, 2026

On time, leg by leg

  1. DEN–LGA318 68.6%
  2. SFO–DEN191 74.3%
  3. IAH–DEN104 83.5%
  4. DEN–PHX81 77.5%
  5. SAT–IAH47 89.4%
  6. TUS–DEN37 88.9%
  7. DEN–PIT36 75.0%
  8. ORD–GRR32 81.3%

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

Legs flown under this number

9
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 53 53 92.5% 0
November 2024 88 88 81.8% 0
December 2024 35 35 82.9% 0
January 2025 31 30 76.7% 1
February 2025 28 28 71.4% 0
March 2025 51 51 72.6% 0
April 2025 30 30 66.7% 0
May 2025 36 36 52.8% 0
June 2025 56 54 68.5% 2
July 2025 58 55 65.5% 3
August 2025 59 59 71.2% 0
September 2025 64 63 87.3% 1
October 2025 82 82 85.4% 0
November 2025 58 58 72.4% 0
December 2025 80 78 69.2% 2
January 2026 41 41 73.2% 0
February 2026 31 31 80.7% 0
March 2026 34 33 78.8% 1
April 2026 59 59 79.7% 0
May 2026 11 11 63.6% 0
June 2026 2 2 100.0% 0
July 2026 12 12 66.7% 0

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