OO5435

OO5435 (SkyWest Airlines) is a multi-stop service on 13 routes, busiest San Francisco to Boise. Of 625 departures recorded from October 2024 to July 2026, 75.7% 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
January31310.0%
February2823▼ 17.9%
March3130▼ 3.2%
April30300.0%
May3028▼ 6.7%
June3028▼ 6.7%
July31310.0%
August26––
September30––
October31–in progress
November30––
December31––
Year to date (Jan–Jul)211201▼ 4.7%

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
January54.8%83.9%▲ 52.9%
February81.5%65.2%▼ 20.0%
March83.3%70.4%▼ 15.6%
April80.0%79.3%▼ 0.9%
May83.3%67.9%▼ 18.6%
June62.1%72.0%▲ 16.0%
July89.7%60.7%▼ 32.3%
August92.3%––
September90.0%––
October87.1%–in progress
November90.0%––
December58.1%––
Year-to-date average (Jan–Jul)76.4%71.3%▼ 6.6%

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–
February10▼ 100.0%
March13▲ 200.0%
April01–
May00–
June13▲ 200.0%
July23▲ 50.0%
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)510▲ 100.0%

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 97.4% 609
  • Cancelled 2.6% 16

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

On time, leg by leg

  1. SFO–BOI264 77.6%
  2. IND–ORD67 70.5%
  3. SMF–SFO52 70.6%
  4. MFR–SFO37 50.0%
  5. DEN–BIL35 67.7%
  6. RAP–DEN32 81.3%
  7. OMA–ORD31 93.1%

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

Legs flown under this number

7
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 80.0% 0
November 2024 30 29 62.1% 1
December 2024 15 15 66.7% 0
January 2025 31 31 54.8% 0
February 2025 28 27 81.5% 1
March 2025 31 30 83.3% 1
April 2025 30 30 80.0% 0
May 2025 30 30 83.3% 0
June 2025 30 29 62.1% 1
July 2025 31 29 89.7% 2
August 2025 26 26 92.3% 0
September 2025 30 30 90.0% 0
October 2025 31 31 87.1% 0
November 2025 30 30 90.0% 0
December 2025 31 31 58.1% 0
January 2026 31 31 83.9% 0
February 2026 23 23 65.2% 0
March 2026 30 27 70.4% 3
April 2026 30 29 79.3% 1
May 2026 28 28 67.9% 0
June 2026 28 25 72.0% 3
July 2026 31 28 60.7% 3

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