OO5505

OO5505 (SkyWest Airlines) is a multi-stop service on 8 routes, busiest Chicago to South Bend. Of 598 departures recorded from October 2024 to July 2026, 73.8% 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
January2531▲ 24.0%
February2825▼ 10.7%
March31310.0%
April3025▼ 16.7%
May3130▼ 3.2%
June30300.0%
July31310.0%
August31––
September30––
October28–in progress
November28––
December31––
Year to date (Jan–Jul)206203▼ 1.5%

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
January88.0%72.4%▼ 17.7%
February71.4%68.0%▼ 4.8%
March70.0%43.3%▼ 38.1%
April96.6%60.9%▼ 37.0%
May80.7%79.3%▼ 1.7%
June76.7%71.4%▼ 6.8%
July58.1%72.4%▲ 24.7%
August69.0%––
September76.7%––
October85.7%–in progress
November79.2%––
December62.1%––
Year-to-date average (Jan–Jul)77.3%66.8%▼ 13.6%

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
January02–
February00–
March110.0%
April12▲ 100.0%
May01–
June02–
July02–
August2––
September0––
October0–in progress
November4––
December2––
Year to date (Jan–Jul)210▲ 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 96.5% 577
  • Cancelled 3.5% 21

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

On time, leg by leg

  1. ORD–SBN484 70.8%
  2. TYS–DEN36 91.7%

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

Legs flown under this number

2
RoutesDistance (km)Avg delay On timeDepartures
ORD SBN Chicago O'Hare International Airport – South Bend International Airport 135 23.7 min 70.8% 484
TYS DEN McGhee Tyson Airport – Denver International Airport 1,866 -3.9 min 91.7% 36
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 90.0% 0
November 2024 19 18 94.4% 1
December 2024 2 2 50.0% 0
January 2025 25 25 88.0% 0
February 2025 28 28 71.4% 0
March 2025 31 30 70.0% 1
April 2025 30 29 96.6% 1
May 2025 31 31 80.7% 0
June 2025 30 30 76.7% 0
July 2025 31 31 58.1% 0
August 2025 31 29 69.0% 2
September 2025 30 30 76.7% 0
October 2025 28 28 85.7% 0
November 2025 28 24 79.2% 4
December 2025 31 29 62.1% 2
January 2026 31 29 72.4% 2
February 2026 25 25 68.0% 0
March 2026 31 30 43.3% 1
April 2026 25 23 60.9% 2
May 2026 30 29 79.3% 1
June 2026 30 28 71.4% 2
July 2026 31 29 72.4% 2

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