UA2428

UA2428 (United Airlines) is a multi-stop service on 14 routes, busiest San Francisco to Santa Barbara. Of 738 departures recorded from October 2024 to July 2026, 83.7% 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
January3031▲ 3.3%
February2824▼ 14.3%
March2170▲ 233.3%
April30300.0%
May2842▲ 50.0%
June2360▲ 160.9%
July3162▲ 100.0%
August31––
September29––
October27–in progress
November24––
December31––
Year to date (Jan–Jul)191319▲ 67.0%

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
January86.7%93.6%▲ 7.9%
February85.7%83.3%▼ 2.8%
March81.0%88.4%▲ 9.2%
April76.7%83.3%▲ 8.7%
May82.1%81.0%▼ 1.4%
June69.6%85.0%▲ 22.2%
July69.0%85.5%▲ 23.9%
August87.1%––
September93.1%––
October88.9%–in progress
November83.3%––
December87.1%––
Year-to-date average (Jan–Jul)78.7%85.7%▲ 9.0%

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
January00–
February00–
March01–
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 99.5% 734
  • Cancelled 0.5% 4

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

On time, leg by leg

  1. SFO–SBA305 82.2%
  2. ORD–SAN149 91.2%
  3. SAN–SFO92 73.9%
  4. ORD–BWI37 86.5%
  5. ORD–SLC32 78.1%

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

Legs flown under this number

5
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 31 30 80.0% 1
November 2024 27 27 70.4% 0
December 2024 28 28 85.7% 0
January 2025 30 30 86.7% 0
February 2025 28 28 85.7% 0
March 2025 21 21 81.0% 0
April 2025 30 30 76.7% 0
May 2025 28 28 82.1% 0
June 2025 23 23 69.6% 0
July 2025 31 29 69.0% 2
August 2025 31 31 87.1% 0
September 2025 29 29 93.1% 0
October 2025 27 27 88.9% 0
November 2025 24 24 83.3% 0
December 2025 31 31 87.1% 0
January 2026 31 31 93.6% 0
February 2026 24 24 83.3% 0
March 2026 70 69 88.4% 1
April 2026 30 30 83.3% 0
May 2026 42 42 81.0% 0
June 2026 60 60 85.0% 0
July 2026 62 62 85.5% 0

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