UA2051

UA2051 (United Airlines) is a multi-stop service on 9 routes, busiest Pittsburgh to San Francisco. Of 396 departures recorded from October 2024 to July 2026, 88.1% left on time, according to the US BTS.

Recorded departures by month

All legs under this number combined; see the leg table.

Months without data are left blank.

The most recent periods14 periods
PeriodDepartures 2025Departures 2026Change vs last year
January30––
February28––
March293▼ 89.7%
April–30–
May31310.0%
June3026▼ 13.3%
July31310.0%
August21––
September6––
October25–in progress
November–––
December–––

according to the US BTS · October 2024 → July 2026

On-time departures by month

All legs combined

Months without data are left blank.

On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.

The most recent periods14 periods
PeriodOn time 2025On time 2026Change vs last year
January96.7%––
February71.4%––
March86.2%100.0%▲ 16.0%
April–90.0%–
May87.1%93.6%▲ 7.4%
June80.0%96.2%▲ 20.2%
July83.9%93.6%▲ 11.5%
August71.4%––
September66.7%––
October96.0%–in progress
November–––
December–––

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods14 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January0––
February0––
March00–
April–0–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November–––
December–––

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 100.0% 396
  • Cancelled 0.0% 0

Share of all recorded flights in the period, all legs. · Oct 27, 2024 → Jul 31, 2026

On time, leg by leg

  1. PIT–SFO89 79.8%
  2. SAN–SFO82 84.2%
  3. MCI–SFO53 90.6%
  4. PHX–SFO52 88.5%
  5. OMA–SFO37 94.6%
  6. MSP–SFO32 96.9%
  7. TPA–SFO31 96.8%

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 5 5 100.0% 0
November 2024 26 26 96.2% 0
December 2024 13 13 92.3% 0
January 2025 30 30 96.7% 0
February 2025 28 28 71.4% 0
March 2025 29 29 86.2% 0
May 2025 31 31 87.1% 0
June 2025 30 30 80.0% 0
July 2025 31 31 83.9% 0
August 2025 21 21 71.4% 0
September 2025 6 6 66.7% 0
October 2025 25 25 96.0% 0
March 2026 3 3 100.0% 0
April 2026 30 30 90.0% 0
May 2026 31 31 93.6% 0
June 2026 26 26 96.2% 0
July 2026 31 31 93.6% 0

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