OO4779

OO4779 (SkyWest Airlines) is a multi-stop service on 11 routes, busiest Reno to San Francisco. Of 624 departures recorded from October 2024 to July 2026, 73.6% 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%
February28280.0%
March31310.0%
April3028▼ 6.7%
May31310.0%
June30300.0%
July31310.0%
August30––
September11––
October31–in progress
November22––
December30––
Year to date (Jan–Jul)212210▼ 0.9%

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
January83.9%80.7%▼ 3.8%
February70.4%63.0%▼ 10.5%
March76.7%80.7%▲ 5.2%
April93.3%70.4%▼ 24.6%
May87.1%40.0%▼ 54.1%
June83.3%33.3%▼ 60.0%
July74.2%22.6%▼ 69.6%
August90.0%––
September100.0%––
October96.8%–in progress
November89.5%––
December55.2%––
Year-to-date average (Jan–Jul)81.3%55.8%▼ 31.3%

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–
February110.0%
March10▼ 100.0%
April01–
May01–
June00–
July00–
August0––
September0––
October0–in progress
November3––
December1––
Year to date (Jan–Jul)23▲ 50.0%

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 98.4% 614
  • Cancelled 1.6% 10

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

On time, leg by leg

  1. RNO–SFO522 71.5%
  2. MLI–ORD31 96.8%

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

Legs flown under this number

2
RoutesDistance (km)Avg delay On timeDepartures
RNO SFO Reno Tahoe International Airport – San Francisco International Airport 308 18.4 min 71.5% 522
MLI ORD Quad City International Airport – Chicago O'Hare International Airport 224 -4.6 min 96.8% 31
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 75.0% 0
November 2024 29 28 89.3% 1
December 2024 29 29 86.2% 0
January 2025 31 31 83.9% 0
February 2025 28 27 70.4% 1
March 2025 31 30 76.7% 1
April 2025 30 30 93.3% 0
May 2025 31 31 87.1% 0
June 2025 30 30 83.3% 0
July 2025 31 31 74.2% 0
August 2025 30 30 90.0% 0
September 2025 11 11 100.0% 0
October 2025 31 31 96.8% 0
November 2025 22 19 89.5% 3
December 2025 30 29 55.2% 1
January 2026 31 31 80.7% 0
February 2026 28 27 63.0% 1
March 2026 31 31 80.7% 0
April 2026 28 27 70.4% 1
May 2026 31 30 40.0% 1
June 2026 30 30 33.3% 0
July 2026 31 31 22.6% 0

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