UA2634

UA2634 (United Airlines) is a multi-stop service on 5 routes, busiest Atlanta to Dulles. Of 626 departures recorded from October 2024 to July 2026, 77.0% 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
January3727▼ 27.0%
February2624▼ 7.7%
March2631▲ 19.2%
April3029▼ 3.3%
May2830▲ 7.1%
June26260.0%
July26260.0%
August28––
September29––
October27–in progress
November28––
December29––
Year to date (Jan–Jul)199193▼ 3.0%

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
January77.1%84.6%▲ 9.7%
February100.0%91.7%▼ 8.3%
March100.0%74.2%▼ 25.8%
April70.0%89.7%▲ 28.1%
May42.9%63.3%▲ 47.8%
June53.9%65.4%▲ 21.4%
July61.5%57.7%▼ 6.3%
August64.3%––
September82.8%––
October88.9%–in progress
November81.5%––
December93.1%––
Year-to-date average (Jan–Jul)72.2%75.2%▲ 4.2%

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
January21▼ 50.0%
February00–
March00–
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November1––
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 99.4% 622
  • Cancelled 0.6% 4

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

Legs flown under this number

1
RoutesDistance (km)Avg delay On timeDepartures
ATL IAD Hartsfield Jackson Atlanta International Airport – Washington Dulles International Airport 859 16.7 min 76.6% 585
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 70.0% 0
November 2024 29 29 93.1% 0
December 2024 44 44 84.1% 0
January 2025 37 35 77.1% 2
February 2025 26 26 100.0% 0
March 2025 26 26 100.0% 0
April 2025 30 30 70.0% 0
May 2025 28 28 42.9% 0
June 2025 26 26 53.9% 0
July 2025 26 26 61.5% 0
August 2025 28 28 64.3% 0
September 2025 29 29 82.8% 0
October 2025 27 27 88.9% 0
November 2025 28 27 81.5% 1
December 2025 29 29 93.1% 0
January 2026 27 26 84.6% 1
February 2026 24 24 91.7% 0
March 2026 31 31 74.2% 0
April 2026 29 29 89.7% 0
May 2026 30 30 63.3% 0
June 2026 26 26 65.4% 0
July 2026 26 26 57.7% 0

How to read this chart

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