SkyWest Airlines

OO4637Denver to Tucson

Name: SkyWest Airlines OO4637 Denver to Tucson: on-time record
Creator: TripStow
License: https://tripstow.com/notices

SkyWest Airlines flight OO4637 flies from Denver (DEN) to Tucson (TUS), 1,029 km. Over August 2025 to July 2026 it usually arrives about 8 minutes late: 77% of 365 flights arrived within 15 minutes of schedule and 1.1% were cancelled (US Department of Transportation data).

On-time record, last 12 months

77%

on time (within 15 min)

15%

more than 30 min late

1.1%

cancelled

+8 min

average arrival vs schedule

Every operation of OO4637, August 2025 to July 2026: 365 flights. Source: US Bureau of Transportation Statistics, public domain.

Routes flown as OO4637

Denver (DEN) to Tucson (TUS)69 flights
Boise (BOI) to Denver (DEN)68 flights
Baton Rouge Metropolitan (BTR) to Houston (IAH)47 flights
Appleton (ATW) to Chicago O'Hare (ORD)38 flights
Billings Logan (BIL) to Denver (DEN)37 flights
Colorado Springs (COS) to Chicago O'Hare (ORD)35 flights
Corpus Christi (CRP) to Houston (IAH)23 flights
Houston (IAH) to Shreveport (SHV)21 flights
Denver (DEN) to Peoria (PIA)21 flights
Amarillo (AMA) to Houston (IAH)3 flights

Other flights from Denver to Tucson

WN1195 WN1331 WN1332 WN1356 WN1360 WN1369 WN1508 WN1526 WN1674 WN1761 WN1787 WN1853

More about Denver (DEN) and Tucson (TUS).

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