OO3310

OO3310 (SkyWest Airlines) is a multi-stop service on 10 routes, busiest San Francisco to San Diego. Of 446 departures recorded from October 2024 to May 2026, 91.6% 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 periods16 periods
PeriodDepartures 2025Departures 2026Change vs last year
January266▼ 76.9%
February2612▼ 53.8%
March3113▼ 58.1%
April306▼ 80.0%
May319▼ 71.0%
June27––
July27––
August16––
September–––
October26–in progress
November19––
December14––
Year to date (Jan–May)14446▼ 68.1%

according to the US BTS · October 2024 → May 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 periods16 periods
PeriodOn time 2025On time 2026Change vs last year
January92.0%100.0%▲ 8.7%
February96.0%50.0%▼ 47.9%
March96.8%66.7%▼ 31.1%
April90.0%100.0%▲ 11.1%
May100.0%100.0%0.0%
June96.3%––
July96.3%––
August93.8%––
September–––
October96.0%–in progress
November89.5%––
December92.9%––
Year-to-date average (Jan–May)95.0%83.3%▼ 12.2%

according to the US BTS · October 2024 → May 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → May 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods16 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January110.0%
February10▼ 100.0%
March01–
April00–
May00–
June0––
July0––
August0––
September–––
October1–in progress
November0––
December0––
Year to date (Jan–May)220.0%

according to the US BTS · October 2024 → May 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 98.9% 441
  • Cancelled 1.1% 5

Share of all recorded flights in the period, all legs. · Oct 13, 2024 → May 11, 2026

On time, leg by leg

  1. SFO–SAN149 91.0%
  2. FAT–SAN91 94.5%
  3. SEA–GEG51 94.1%
  4. GEG–SEA51 94.1%
  5. FAT–SEA50 98.0%

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 21 21 81.0% 0
November 2024 59 59 100.0% 0
December 2024 47 47 80.9% 0
January 2025 26 25 92.0% 1
February 2025 26 25 96.0% 1
March 2025 31 31 96.8% 0
April 2025 30 30 90.0% 0
May 2025 31 31 100.0% 0
June 2025 27 27 96.3% 0
July 2025 27 27 96.3% 0
August 2025 16 16 93.8% 0
October 2025 26 25 96.0% 1
November 2025 19 19 89.5% 0
December 2025 14 14 92.9% 0
January 2026 6 5 100.0% 1
February 2026 12 12 50.0% 0
March 2026 13 12 66.7% 1
April 2026 6 6 100.0% 0
May 2026 9 9 100.0% 0

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