Alaska Airlines
AS340Portland to Ontario
Alaska Airlines flight AS340 flies from Portland (PDX) to Ontario (ONT), 1,351 km. Over August 2025 to July 2026 it usually arrives right on schedule: 82% of 196 flights arrived within 15 minutes of schedule and 0.5% were cancelled (US Department of Transportation data).
On-time record, last 12 months
82%
on time (within 15 min)
8%
more than 30 min late
0.5%
cancelled
0 min
average arrival vs schedule
Every operation of AS340, August 2025 to July 2026: 196 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as AS340
- Portland (PDX) to Ontario (ONT)65 flights
- Seattle Tacoma (SEA) to Dallas-Fort Worth (DFW)52 flights
- Redmond-Bend (RDM) to Seattle Tacoma (SEA)34 flights
- Spokane (GEG) to Seattle Tacoma (SEA)21 flights
- Seattle Tacoma (SEA) to Pittsburgh (PIT)19 flights
- San Diego (SAN) to Fort Lauderdale Hollywood (FLL)4 flights
- Portland (PDX) to San Francisco (SFO)1 flights
Other flights from Portland to Ontario
More about Portland (PDX) and Ontario (ONT).
Embed this on your site
A live badge for travel blogs, forums and trip reports. It updates as new data comes in, and links back here for the full stats.
Dark badge, HTML
<a href="https://tripstow.com/flights/as340" title="AS340 is on time 82% of the time on TripStow"><img src="https://tripstow.com/badge/flights/as340.svg" alt="AS340 is on time 82% of the time" width="360" height="88" loading="lazy"></a>
Light badge, HTML
<a href="https://tripstow.com/flights/as340" title="AS340 is on time 82% of the time on TripStow"><img src="https://tripstow.com/badge/flights/as340.svg?theme=light" alt="AS340 is on time 82% of the time" width="360" height="88" loading="lazy"></a>Markdown, for forums and README files
[](https://tripstow.com/flights/as340)Flying soon?
Forward your booking to TripStow and get your trip built for you, with check-in reminders, punctuality for every flight and a map of everywhere you have been.
Start free