OO5621

OO5621 (SkyWest Airlines) is a multi-stop service on 12 routes, busiest Reno to Los Angeles. Of 604 departures recorded from October 2024 to July 2026, 90.8% 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
January2924▼ 17.2%
February2821▼ 25.0%
March3117▼ 45.2%
April3018▼ 40.0%
May3128▼ 9.7%
June3028▼ 6.7%
July31310.0%
August30––
September30––
October31–in progress
November29––
December28––
Year to date (Jan–Jul)210167▼ 20.5%

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
January89.7%100.0%▲ 11.5%
February92.3%95.2%▲ 3.2%
March93.6%88.2%▼ 5.7%
April100.0%100.0%0.0%
May96.8%89.3%▼ 7.7%
June96.7%81.5%▼ 15.7%
July100.0%71.0%▼ 29.0%
August100.0%––
September100.0%––
October90.3%–in progress
November57.7%––
December82.1%––
Year-to-date average (Jan–Jul)95.6%89.3%▼ 6.5%

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–
February20▼ 100.0%
March00–
April00–
May00–
June01–
July00–
August0––
September0––
October0–in progress
November3––
December0––
Year to date (Jan–Jul)21▼ 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 99.0% 598
  • Cancelled 1.0% 6

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

On time, leg by leg

  1. RNO–LAX447 96.9%
  2. ORD–TYS35 56.3%
  3. OKC–ORD35 74.3%

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

Legs flown under this number

3
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 100.0% 0
November 2024 30 30 96.7% 0
December 2024 29 29 79.3% 0
January 2025 29 29 89.7% 0
February 2025 28 26 92.3% 2
March 2025 31 31 93.6% 0
April 2025 30 30 100.0% 0
May 2025 31 31 96.8% 0
June 2025 30 30 96.7% 0
July 2025 31 31 100.0% 0
August 2025 30 30 100.0% 0
September 2025 30 30 100.0% 0
October 2025 31 31 90.3% 0
November 2025 29 26 57.7% 3
December 2025 28 28 82.1% 0
January 2026 24 24 100.0% 0
February 2026 21 21 95.2% 0
March 2026 17 17 88.2% 0
April 2026 18 18 100.0% 0
May 2026 28 28 89.3% 0
June 2026 28 27 81.5% 1
July 2026 31 31 71.0% 0

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