OO5537

OO5537 (SkyWest Airlines) is a multi-stop service on 18 routes, busiest Los Angeles to Sacramento. Of 500 departures recorded from October 2024 to July 2026, 85.4% 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
January105▼ 50.0%
February1618▲ 12.5%
March3031▲ 3.3%
April421▲ 425.0%
May3112▼ 61.3%
June30300.0%
July2131▲ 47.6%
August19––
September30––
October30–in progress
November30––
December31––
Year to date (Jan–Jul)142148▲ 4.2%

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
January30.0%60.0%▲ 100.0%
February87.5%83.3%▼ 4.8%
March96.7%74.2%▼ 23.3%
April75.0%79.0%▲ 5.3%
May90.3%100.0%▲ 10.7%
June90.0%96.7%▲ 7.4%
July90.0%87.1%▼ 3.2%
August89.5%––
September96.7%––
October93.3%–in progress
November92.6%––
December87.1%––
Year-to-date average (Jan–Jul)79.9%82.9%▲ 3.7%

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–
April02–
May00–
June00–
July10▼ 100.0%
August0––
September0––
October0–in progress
November3––
December0––
Year to date (Jan–Jul)12▲ 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 98.6% 493
  • Cancelled 1.4% 7

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

On time, leg by leg

  1. LAX–SMF252 94.4%
  2. IAH–OKC61 60.0%
  3. MFR–DEN45 77.8%
  4. ORD–FAR37 86.5%

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 94.7% 0
November 2024 20 20 65.0% 0
December 2024 31 30 60.0% 1
January 2025 10 10 30.0% 0
February 2025 16 16 87.5% 0
March 2025 30 30 96.7% 0
April 2025 4 4 75.0% 0
May 2025 31 31 90.3% 0
June 2025 30 30 90.0% 0
July 2025 21 20 90.0% 1
August 2025 19 19 89.5% 0
September 2025 30 30 96.7% 0
October 2025 30 30 93.3% 0
November 2025 30 27 92.6% 3
December 2025 31 31 87.1% 0
January 2026 5 5 60.0% 0
February 2026 18 18 83.3% 0
March 2026 31 31 74.2% 0
April 2026 21 19 79.0% 2
May 2026 12 12 100.0% 0
June 2026 30 30 96.7% 0
July 2026 31 31 87.1% 0

How to read this chart

Loading the guide…