OO3821

OO3821 (SkyWest Airlines) is a multi-stop service on 14 routes, busiest Louisville to Detroit. Of 1,090 departures recorded from October 2024 to July 2026, 87.4% 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
January4929▼ 40.8%
February4446▲ 4.5%
March5862▲ 6.9%
April4360▲ 39.5%
May5212▼ 76.9%
June6048▼ 20.0%
July62620.0%
August62––
September60––
October62–in progress
November60––
December50––
Year to date (Jan–Jul)368319▼ 13.3%

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
January62.5%85.7%▲ 37.1%
February52.3%73.9%▲ 41.4%
March84.5%81.0%▼ 4.1%
April74.4%93.3%▲ 25.4%
May96.2%100.0%▲ 4.0%
June93.3%87.5%▼ 6.2%
July96.8%88.7%▼ 8.3%
August100.0%––
September96.7%––
October96.8%–in progress
November93.1%––
December92.0%––
Year-to-date average (Jan–Jul)80.0%87.2%▲ 9.0%

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
January110.0%
February00–
March04–
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November2––
December0––
Year to date (Jan–Jul)15▲ 400.0%

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% 1,079
  • Cancelled 1.0% 11

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

On time, leg by leg

  1. SDF–DTW200 88.3%
  2. SLC–SJC195 95.9%
  3. SJC–SLC195 97.4%
  4. DTW–SDF165 84.1%
  5. CID–MSP61 89.8%
  6. DTW–CLE54 57.4%
  7. CLE–DTW54 63.0%
  8. MGM–ATL36 77.8%

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

Legs flown under this number

11
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 39 39 76.9% 0
November 2024 39 39 97.4% 0
December 2024 31 28 89.3% 3
January 2025 49 48 62.5% 1
February 2025 44 44 52.3% 0
March 2025 58 58 84.5% 0
April 2025 43 43 74.4% 0
May 2025 52 52 96.2% 0
June 2025 60 60 93.3% 0
July 2025 62 62 96.8% 0
August 2025 62 62 100.0% 0
September 2025 60 60 96.7% 0
October 2025 62 62 96.8% 0
November 2025 60 58 93.1% 2
December 2025 50 50 92.0% 0
January 2026 29 28 85.7% 1
February 2026 46 46 73.9% 0
March 2026 62 58 81.0% 4
April 2026 60 60 93.3% 0
May 2026 12 12 100.0% 0
June 2026 48 48 87.5% 0
July 2026 62 62 88.7% 0

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