SkyWest Airlines
OO4031Seattle to Ontario
SkyWest Airlines flight OO4031 flies from Seattle Tacoma (SEA) to Ontario (ONT), 1,540 km. Over August 2025 to July 2026 it usually arrives about 4 minutes early: 88% of 670 flights arrived within 15 minutes of schedule and 0.3% were cancelled (US Department of Transportation data).
On-time record, last 12 months
88%
on time (within 15 min)
5%
more than 30 min late
0.3%
cancelled
-4 min
average arrival vs schedule
Every operation of OO4031, August 2025 to July 2026: 670 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as OO4031
- Seattle Tacoma (SEA) to Ontario (ONT)348 flights
- Ontario (ONT) to Seattle Tacoma (SEA)322 flights
Other flights from Seattle to Ontario
More about Seattle Tacoma (SEA) and Ontario (ONT).
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