Idaho Falls (IDA) to Portland (PDX): On-Time Performance
Data through July 2026
Idaho Falls (IDA) to Portland (PDX) is a thinner route than most in this dataset — 119 departures over the past year, roughly 2 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 65% arrived on time, noticeably below the national average of 78%.
- On-time
- 65%
- arrived <15 min late
- Avg delay
- 46 min
- completed flights
- Cancelled
- 0.0%
- Flights/day
- 0.33
- last 12 months
- Duration
- 1h 41m
- scheduled
- Distance
- 539 mi
Best airline from IDA to PDX
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Allegiant Airmost reliable | 65% | 65 min | 0.0% | 124 |
| SkyWest Airlines | 64% | 15 min | 0.0% | 80 |
Monthly on-time trend
Best time to fly from IDA to PDX
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 65% | 64 min |
| Tuesday | 64% | 14 min |
| Wednesdaybest | 79% | 9 min |
| Thursday | 67% | 24 min |
| Friday | 64% | 51 min |
| Saturday | 58% | 31 min |
| Sunday | 58% | 12 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft57%
- Airline operations22%
- National airspace system7%
- Weather14%
Frequently asked questions
- How often are flights from IDA to PDX delayed?
- 35% of IDA–PDX flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 46 minutes.
- Which airline is most reliable from IDA to PDX?
- Allegiant Air has the best on-time record on this route at 65%, based on 124 flights. 2 airlines flew IDA–PDX frequently enough to compare in this period.
- How long is the flight from IDA to PDX?
- The scheduled IDA–PDX flight time averages 1h 41m over 539 miles. Actual arrival times vary — flights on this route land 15+ minutes late 35% of the time.
- How often are IDA to PDX flights cancelled?
- 0% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
Explore related pages
More routes from IDA
Other ways to fly to Portland (PDX)
Related guides
Based on 204 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.