OO4104

OO4104 (SkyWest Airlines) is a multi-stop service on 11 routes, busiest Seattle to Bozeman. Of 659 departures recorded from October 2024 to July 2026, 82.5% 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 periods17 periods
PeriodDepartures 2025Departures 2026Change vs last year
January–61–
February–56–
March362▲ 1,966.7%
April460▲ 1,400.0%
May162▲ 6,100.0%
June436▲ 800.0%
July931▲ 244.4%
August42––
September58––
October10–in progress
November4––
December21––

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 periods17 periods
PeriodOn time 2025On time 2026Change vs last year
January–80.3%–
February–85.7%–
March66.7%96.7%▲ 45.0%
April100.0%85.0%▼ 15.0%
May0.0%90.3%–
June75.0%88.9%▲ 18.5%
July77.8%87.1%▲ 12.0%
August78.6%––
September94.8%––
October80.0%–in progress
November100.0%––
December100.0%––

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 periods17 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January–0–
February–0–
March02–
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––

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 99.7% 657
  • Cancelled 0.3% 2

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

On time, leg by leg

  1. SEA–BZN230 88.7%
  2. BZN–SEA170 87.0%
  3. DTW–IAD68 63.2%
  4. IAD–DTW67 61.2%
  5. PIT–DTW55 85.5%
  6. DTW–PIT55 89.1%

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

Legs flown under this number

6
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 40 40 67.5% 0
November 2024 59 59 62.7% 0
December 2024 36 36 55.6% 0
March 2025 3 3 66.7% 0
April 2025 4 4 100.0% 0
May 2025 1 1 0.0% 0
June 2025 4 4 75.0% 0
July 2025 9 9 77.8% 0
August 2025 42 42 78.6% 0
September 2025 58 58 94.8% 0
October 2025 10 10 80.0% 0
November 2025 4 4 100.0% 0
December 2025 21 21 100.0% 0
January 2026 61 61 80.3% 0
February 2026 56 56 85.7% 0
March 2026 62 60 96.7% 2
April 2026 60 60 85.0% 0
May 2026 62 62 90.3% 0
June 2026 36 36 88.9% 0
July 2026 31 31 87.1% 0

How to read this chart

Loading the guide…