OO5423

OO5423 (SkyWest Airlines) is a multi-stop service on 10 routes, busiest Hailey to San Francisco. Of 462 departures recorded from October 2024 to July 2026, 69.4% 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
January3111▼ 64.5%
February289▼ 67.9%
March309▼ 70.0%
April12▲ 100.0%
May2729▲ 7.4%
June1430▲ 114.3%
July3031▲ 3.3%
August31––
September14––
October17–in progress
November30––
December29––
Year to date (Jan–Jul)161121▼ 24.8%

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
January87.1%90.9%▲ 4.4%
February85.7%66.7%▼ 22.2%
March73.3%88.9%▲ 21.2%
April100.0%100.0%0.0%
May81.5%53.6%▼ 34.3%
June64.3%26.7%▼ 58.5%
July43.3%32.3%▼ 25.5%
August77.4%––
September78.6%––
October82.4%–in progress
November86.7%––
December82.8%––
Year-to-date average (Jan–Jul)76.5%65.6%▼ 14.2%

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–
March00–
April00–
May01–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)01

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 99.8% 461
  • Cancelled 0.2% 1

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

On time, leg by leg

  1. SUN–SFO228 57.5%
  2. LAX–AUS77 85.7%
  3. IAH–ICT52 88.5%
  4. IAH–MAF31 71.0%

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

Legs flown under this number

4
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 19 19 68.4% 0
November 2024 25 25 72.0% 0
December 2024 15 15 86.7% 0
January 2025 31 31 87.1% 0
February 2025 28 28 85.7% 0
March 2025 30 30 73.3% 0
April 2025 1 1 100.0% 0
May 2025 27 27 81.5% 0
June 2025 14 14 64.3% 0
July 2025 30 30 43.3% 0
August 2025 31 31 77.4% 0
September 2025 14 14 78.6% 0
October 2025 17 17 82.4% 0
November 2025 30 30 86.7% 0
December 2025 29 29 82.8% 0
January 2026 11 11 90.9% 0
February 2026 9 9 66.7% 0
March 2026 9 9 88.9% 0
April 2026 2 2 100.0% 0
May 2026 29 28 53.6% 1
June 2026 30 30 26.7% 0
July 2026 31 31 32.3% 0

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