OO3397

OO3397 (SkyWest Airlines) is a multi-stop service on 19 routes, busiest Portland to San Francisco. Of 276 departures recorded from October 2024 to June 2026, 79.8% 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 periods15 periods
PeriodDepartures 2025Departures 2026Change vs last year
January322▼ 93.8%
February14––
March161▼ 93.8%
April30––
May471▼ 97.9%
June221▼ 95.5%
July–––
August7––
September17––
October4–in progress
November1––
December2––

according to the US BTS · October 2024 → June 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 periods15 periods
PeriodOn time 2025On time 2026Change vs last year
January96.9%100.0%▲ 3.2%
February100.0%––
March68.8%100.0%▲ 45.5%
April56.7%––
May85.1%100.0%▲ 17.5%
June90.0%100.0%▲ 11.1%
July–––
August42.9%––
September41.2%––
October100.0%–in progress
November100.0%––
December100.0%––

according to the US BTS · October 2024 → June 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → June 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods15 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January00–
February0––
March00–
April0––
May00–
June20▼ 100.0%
July–––
August0––
September0––
October0–in progress
November0––
December0––

according to the US BTS · October 2024 → June 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 98.6% 272
  • Cancelled 1.4% 4

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jun 9, 2026

On time, leg by leg

  1. PDX–SFO64 83.9%
  2. SFO–PDX60 56.7%
  3. PDX–GEG38 97.4%

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

Legs flown under this number

3
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 80.0% 0
November 2024 26 24 75.0% 2
December 2024 33 33 90.9% 0
January 2025 32 32 96.9% 0
February 2025 14 14 100.0% 0
March 2025 16 16 68.8% 0
April 2025 30 30 56.7% 0
May 2025 47 47 85.1% 0
June 2025 22 20 90.0% 2
August 2025 7 7 42.9% 0
September 2025 17 17 41.2% 0
October 2025 4 4 100.0% 0
November 2025 1 1 100.0% 0
December 2025 2 2 100.0% 0
January 2026 2 2 100.0% 0
March 2026 1 1 100.0% 0
May 2026 1 1 100.0% 0
June 2026 1 1 100.0% 0

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