PDX to IDA flight delays & on-time performance
Nonstop flights from Portland International Airport to Idaho Falls Regional Airport · 539 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at PDX or IDA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Portland (PDX) to Idaho Falls (IDA) arrived on time 78% of the time in Aug 2025 – Jul 2026, in line with the national average.
- 0% were cancelled, and 5% arrived an hour or more late.
- SkyWest Airlines was the most punctual airline here (79% on time); Allegiant Air was the least (76%).
- Wednesday was the most reliable day to fly (100% on time) and Tuesday the least (55%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (78%).
Which airline is most on time from PDX to IDA?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 79% | 0.0% | 8 min | 1.3% | 80 |
| Allegiant Air | 76% | 0.0% | 87 min | 13.2% | 39 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 10am80%84 flights
- 12pm85%13 flights
- 3pm58%12 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday83%0.0% cancelled
- Tuesday55%0.0% cancelled
- Wednesday100%0.0% cancelled
- Thursday75%0.0% cancelled
- Friday81%0.0% cancelled
- Saturday64%0.0% cancelled
- Sunday73%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)78%
- Late-arriving aircraft12%
- Air traffic control & airport congestion7%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
No cancellation causes recorded in this period.
PDX to IDA: common questions
- How often are PDX to IDA flights on time?
- 78% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Portland to Idaho Falls cancelled?
- 0.0% of scheduled flights were cancelled (0 of 119).
- How long are typical delays?
- Across all flights the average arrival delay was 33 min (early arrivals count as zero). Flights that were late arrived 145 min behind schedule on average, and 5.1% of flights were an hour or more late.
- How long is taxi time at PDX?
- Flights on this route spent 19 min taxiing from the gate to takeoff on average.
Related routes
Return trip: IDA to PDX — 62% on time
More flights from Portland
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: PDX → IDA, nonstop flights by US airlines that report to the DOT. How we calculate this.