STL → PDXSt Louis to Portland

live

Direct flights from St Louis (STL) to Portland (PDX): 8 nonstop departures observed each week across 2 airlines. 67% of the last 9 operated flights arrived within 15 minutes of schedule. The median arrival is 9 minutes late. No cancellations were recorded across the 9 tracked flights. The nonstop covers 2,742 km, an estimated 4 hours 1 minutes in the air. Measured by Pro Flight Search from live flight boards at St Louis and Portland. Updated 16 September 2026 at 15:11 UTC.

STL St Louis smooth · +10
PDX Portland smooth · +1
2,742 km · ~4h 01m est.
dep bank 08:30–18:088x weekly
Runs mixed · 2 airlines · 8x weekly · nonstop
67% on time

of the last 9 operated STL → PDX flights arrived within 15 minutes

Median arrival delay is +9 min. 0 of 9 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+9 minacross the last 9 operated legs
Flight time~4h 01mestimated from route distance
Weekly departures8x2 direct airlines on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Alaska AirlinesSouthwest Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
Alaska AirlinesAS71% on time

Flights AS1318 18:08 daily

Southwest AirlinesWN

Flights WN801 08:30 Sa

History

operated legs · board outcomes
09-15AS1318dep +18 → arr+9
09-14AS1318dep +5 → arr−1
09-13AS1318dep +38 → arr+30
09-13WN3543dep +54 → arr+34
09-12AS1318dep +90 → arr+90
09-12WN801dep +17 → arr+9
09-11AS1318dep +7 → arr−1
09-10AS1318dep +5 → arr−14
09-09AS1318dep +16 → arr−4

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
STLSt Louis +10 min smooth 🌤 mostly cloudy · E 6 kt Full STL delay board →
PDXPortland +1 min smooth 🌤 few clouds · N 0 kt Full PDX delay board →

Weather lens

Current conditions put the pressure at STL and PDX: 42% odds of a 15+ minute delay and around +9 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the St Louis to Portland route actually runs

Pro Flight Search records official board updates for nonstop STL to PDX flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — St Louis (STL) to Portland (PDX) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/STL-PDX
How we measure this →

STL to PDX questions

Is STL–PDX running on time right now?

Smooth skies ahead. The departure side at STL is the weaker end, route health score 93/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on STL–PDX?

Operators schedule morning departures around 08:30 and evening departures around 18:08 from STL. Earlier flights typically land before destination-airport delays accumulate later in the day; check the PDX delay card to confirm conditions when you'd arrive.

How long is the flight from STL to PDX?

Great-circle distance is 2,742 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 224–265 min gate-to-gate on this route.

How often does STL–PDX fly?

2 carriers operate this route, around 8 flights a week between them. Compare carrier days and times in the airline list above.