UA1204

UA1204 (United Airlines) is a multi-stop service on 14 routes, busiest Raleigh to San Francisco. Of 639 departures recorded from October 2024 to July 2026, 87.7% 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
January2827▼ 3.6%
February2427▲ 12.5%
March2931▲ 6.9%
April30300.0%
May31310.0%
June30300.0%
July3031▲ 3.3%
August31––
September30––
October31–in progress
November30––
December31––
Year to date (Jan–Jul)202207▲ 2.5%

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
January84.0%77.8%▼ 7.4%
February70.8%88.9%▲ 25.5%
March82.8%90.3%▲ 9.1%
April90.0%93.3%▲ 3.7%
May100.0%87.1%▼ 12.9%
June86.7%70.0%▼ 19.2%
July86.7%67.7%▼ 21.8%
August83.9%––
September100.0%––
October100.0%–in progress
November96.7%––
December90.3%––
Year-to-date average (Jan–Jul)85.8%82.2%▼ 4.3%

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
January30▼ 100.0%
February00–
March00–
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)30▼ 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 99.5% 636
  • Cancelled 0.5% 3

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

On time, leg by leg

  1. RDU–SFO139 95.7%
  2. ORD–ABQ122 90.2%
  3. MKE–DEN77 90.9%
  4. DEN–ATW72 70.8%
  5. IAD–ABQ53 81.1%
  6. DEN–TUS53 86.8%
  7. MSY–SFO37 76.5%
  8. RDU–ORD31 96.8%

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

Legs flown under this number

8
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 95.0% 0
November 2024 31 31 96.8% 0
December 2024 26 26 88.5% 0
January 2025 28 25 84.0% 3
February 2025 24 24 70.8% 0
March 2025 29 29 82.8% 0
April 2025 30 30 90.0% 0
May 2025 31 31 100.0% 0
June 2025 30 30 86.7% 0
July 2025 30 30 86.7% 0
August 2025 31 31 83.9% 0
September 2025 30 30 100.0% 0
October 2025 31 31 100.0% 0
November 2025 30 30 96.7% 0
December 2025 31 31 90.3% 0
January 2026 27 27 77.8% 0
February 2026 27 27 88.9% 0
March 2026 31 31 90.3% 0
April 2026 30 30 93.3% 0
May 2026 31 31 87.1% 0
June 2026 30 30 70.0% 0
July 2026 31 31 67.7% 0

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