UA2277

UA2277 (United Airlines) is a multi-stop service on 6 routes, busiest Dulles to Tampa. Of 977 departures recorded from October 2024 to July 2026, 87.1% 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
January5531▼ 43.6%
February4828▼ 41.7%
March6234▼ 45.2%
April6076▲ 26.7%
May5262▲ 19.2%
June3560▲ 71.4%
July6162▲ 1.6%
August36––
September30––
October31–in progress
November30––
December31––
Year to date (Jan–Jul)373353▼ 5.4%

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
January89.1%90.0%▲ 1.0%
February77.1%85.7%▲ 11.2%
March82.3%79.4%▼ 3.5%
April98.3%92.1%▼ 6.3%
May84.6%91.9%▲ 8.7%
June91.4%91.7%▲ 0.3%
July84.8%80.7%▼ 4.8%
August69.4%––
September90.0%––
October93.6%–in progress
November90.0%––
December83.9%––
Year-to-date average (Jan–Jul)86.8%87.4%▲ 0.6%

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
January01–
February00–
March00–
April00–
May00–
June00–
July20▼ 100.0%
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)21▼ 50.0%

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% 973
  • Cancelled 0.4% 4

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

On time, leg by leg

  1. IAD–TPA608 88.1%
  2. TPA–SFO173 82.6%
  3. ORD–IAD161 90.6%

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

Legs flown under this number

3
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 18 18 83.3% 0
November 2024 21 21 81.0% 0
December 2024 54 53 92.5% 1
January 2025 55 55 89.1% 0
February 2025 48 48 77.1% 0
March 2025 62 62 82.3% 0
April 2025 60 60 98.3% 0
May 2025 52 52 84.6% 0
June 2025 35 35 91.4% 0
July 2025 61 59 84.8% 2
August 2025 36 36 69.4% 0
September 2025 30 30 90.0% 0
October 2025 31 31 93.6% 0
November 2025 30 30 90.0% 0
December 2025 31 31 83.9% 0
January 2026 31 30 90.0% 1
February 2026 28 28 85.7% 0
March 2026 34 34 79.4% 0
April 2026 76 76 92.1% 0
May 2026 62 62 91.9% 0
June 2026 60 60 91.7% 0
July 2026 62 62 80.7% 0

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