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SkyWest Airlines

OO5001: Chicago to Milwaukee

SkyWest Airlines flight OO5001 flies from Chicago O'Hare (ORD) to Milwaukee (MKE), 108 km. Over August 2025 to July 2026 it usually arrives about 35 minutes late: 63% of 217 flights arrived within 15 minutes of schedule and 6% were cancelled (US Department of Transportation data).

On-time record, last 12 months

63%
on time (within 15 min)
32%
more than 30 min late
6%
cancelled
+35 min
average arrival vs schedule

Every operation of OO5001, August 2025 to July 2026: 217 flights. Source: US Bureau of Transportation Statistics, public domain.

Routes flown as OO5001

Other flights from Chicago to Milwaukee

OO4711OO4772OO4798OO4806OO4888OO4912OO4916OO4919OO4926OO4932OO4933OO4934

More about Chicago O'Hare (ORD) and Milwaukee (MKE).

Questions and answers

Is OO5001 usually on time?
63% of SkyWest Airlines flight OO5001's 217 flights from August 2025 to July 2026 arrived within 15 minutes of schedule, 14.4 points below the US average of 77.6%. It arrived about 35 minutes late on average.
How often is OO5001 cancelled or badly delayed?
6% of OO5001's scheduled flights were cancelled from August 2025 to July 2026 (13 of 217), and 32% of the flights that operated arrived more than 30 minutes late.
What route does OO5001 fly?
OO5001 most often flies from Chicago O'Hare (ORD) to Milwaukee (MKE), 108 km (44 flights in the period). The same flight number also flew Milwaukee (MKE) to Chicago O'Hare (ORD), Chicago O'Hare (ORD) to Knoxville (TYS), Chicago O'Hare (ORD) to Cleveland Hopkins (CLE).
Where do these OO5001 figures come from?
From the US Bureau of Transportation Statistics (BTS) on-time records, which cover every domestic flight by the larger US airlines. The figures cover August 2025 to July 2026 and are updated each month when new BTS data is published, about two months after the month ends. See how TripStow measures punctuality.

How does SkyWest Airlines compare? SkyWest Airlines' on-time record and the US airline league table.

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OO5001 is on time 63% of the time
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