UA1911

UA1911 (United Airlines) is a multi-stop service on 12 routes, busiest Denver to Dulles. Of 599 departures recorded from October 2024 to March 2026, 79.2% 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 periods15 periods
PeriodDepartures 2025Departures 2026Change vs last year
January489▼ 81.3%
February3634▼ 5.6%
March3153▲ 71.0%
April30––
May28––
June29––
July31––
August31––
September30––
October36–in progress
November48––
December44––
Year to date (Jan–Mar)11596▼ 16.5%

according to the US BTS · October 2024 → March 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 periods15 periods
PeriodOn time 2025On time 2026Change vs last year
January75.0%77.8%▲ 3.7%
February94.4%73.5%▼ 22.1%
March100.0%78.9%▼ 21.2%
April80.0%––
May71.4%––
June46.4%––
July74.2%––
August74.2%––
September80.0%––
October75.0%–in progress
November66.7%––
December79.6%––
Year-to-date average (Jan–Mar)89.8%76.7%▼ 14.6%

according to the US BTS · October 2024 → March 2026

Average departure delay by month

All legs combined

according to the US BTS · October 2024 → March 2026

Cancelled departures by month

All legs combined
The most recent periods15 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January00–
February00–
March01–
April0––
May0––
June1––
July0––
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Mar)01

according to the US BTS · October 2024 → March 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 99.7% 597
  • Cancelled 0.3% 2

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Mar 28, 2026

On time, leg by leg

  1. DEN–IAD169 94.1%
  2. JAX–IAH89 74.2%
  3. IAH–OMA87 60.5%
  4. IAH–SAN64 81.0%
  5. ORD–MCO37 83.8%
  6. IAH–BOS32 81.3%
  7. DFW–DEN31 74.2%

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

Legs flown under this number

7
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 90.0% 0
November 2024 30 30 96.7% 0
December 2024 31 31 100.0% 0
January 2025 48 48 75.0% 0
February 2025 36 36 94.4% 0
March 2025 31 31 100.0% 0
April 2025 30 30 80.0% 0
May 2025 28 28 71.4% 0
June 2025 29 28 46.4% 1
July 2025 31 31 74.2% 0
August 2025 31 31 74.2% 0
September 2025 30 30 80.0% 0
October 2025 36 36 75.0% 0
November 2025 48 48 66.7% 0
December 2025 44 44 79.6% 0
January 2026 9 9 77.8% 0
February 2026 34 34 73.5% 0
March 2026 53 52 78.9% 1

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