OO5843

OO5843 (SkyWest Airlines) is a multi-stop service on 16 routes, busiest Chicago to Milwaukee. Of 260 departures recorded from October 2024 to July 2026, 77.8% left on time, according to the US BTS.

Recorded departures by month

All legs under this number combined; see the leg table.

Months without data are left blank.

The most recent periods15 periods
PeriodDepartures 2025Departures 2026Change vs last year
January5––
February8––
March23▲ 50.0%
April1729▲ 70.6%
May1124▲ 118.2%
June86▼ 25.0%
July2327▲ 17.4%
August13––
September3––
October––in progress
November2––
December–––

according to the US BTS · October 2024 → July 2026

On-time departures by month

All legs combined

Months without data are left blank.

On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.

The most recent periods15 periods
PeriodOn time 2025On time 2026Change vs last year
January60.0%––
February75.0%––
March50.0%66.7%▲ 33.3%
April94.1%96.2%▲ 2.2%
May90.9%83.3%▼ 8.3%
June37.5%83.3%▲ 122.2%
July73.9%96.3%▲ 30.3%
August69.2%––
September100.0%––
October––in progress
November50.0%––
December–––

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods15 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January0––
February0––
March00–
April03–
May00–
June00–
July00–
August0––
September0––
October––in progress
November0––
December–––

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 98.8% 257
  • Cancelled 1.2% 3

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

On time, leg by leg

  1. ORD–MKE67 65.7%
  2. ORD–ECP38 73.7%
  3. ORD–MSN32 93.8%
  4. ORD–MLI31 92.9%

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 20 20 80.0% 0
November 2024 29 29 48.3% 0
December 2024 30 30 76.7% 0
January 2025 5 5 60.0% 0
February 2025 8 8 75.0% 0
March 2025 2 2 50.0% 0
April 2025 17 17 94.1% 0
May 2025 11 11 90.9% 0
June 2025 8 8 37.5% 0
July 2025 23 23 73.9% 0
August 2025 13 13 69.2% 0
September 2025 3 3 100.0% 0
November 2025 2 2 50.0% 0
March 2026 3 3 66.7% 0
April 2026 29 26 96.2% 3
May 2026 24 24 83.3% 0
June 2026 6 6 83.3% 0
July 2026 27 27 96.3% 0

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