OO5855

OO5855 (SkyWest Airlines) is a multi-stop service on 12 routes, busiest Aspen to San Francisco. Of 252 departures recorded from October 2024 to July 2026, 81.4% 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 periods13 periods
PeriodDepartures 2025Departures 2026Change vs last year
January6––
February16––
March5––
April325▲ 733.3%
May920▲ 122.2%
June29––
July311▼ 96.8%
August31––
September24––
October––in progress
November2––
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 periods13 periods
PeriodOn time 2025On time 2026Change vs last year
January83.3%––
February93.8%––
March100.0%––
April100.0%76.2%▼ 23.8%
May88.9%65.0%▼ 26.9%
June75.9%––
July60.0%100.0%▲ 66.7%
August80.7%––
September100.0%––
October––in progress
November50.0%––
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 periods13 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January0––
February0––
March0––
April04–
May00–
June0––
July10▼ 100.0%
August0––
September0––
October––in progress
November0––
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 98.0% 247
  • Cancelled 2.0% 5

Share of all recorded flights in the period, all legs. · Oct 25, 2024 → Jul 31, 2026

On time, leg by leg

  1. ASE–SFO115 78.1%
  2. BOI–ORD36 94.4%

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

Legs flown under this number

2
RoutesDistance (km)Avg delay On timeDepartures
ASE SFO Aspen-Pitkin County Airport (Sardy Field) – San Francisco International Airport 1,361 23.5 min 78.1% 115
BOI ORD Boise Air Terminal/Gowen Field – Chicago O'Hare International Airport 2,307 -3.5 min 94.4% 36
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 6 6 100.0% 0
November 2024 29 29 96.6% 0
December 2024 15 15 73.3% 0
January 2025 6 6 83.3% 0
February 2025 16 16 93.8% 0
March 2025 5 5 100.0% 0
April 2025 3 3 100.0% 0
May 2025 9 9 88.9% 0
June 2025 29 29 75.9% 0
July 2025 31 30 60.0% 1
August 2025 31 31 80.7% 0
September 2025 24 24 100.0% 0
November 2025 2 2 50.0% 0
April 2026 25 21 76.2% 4
May 2026 20 20 65.0% 0
July 2026 1 1 100.0% 0

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