Idaho Falls (IDA) to Phoenix (PHX): On-Time Performance
Data through July 2026
Idaho Falls (IDA) to Phoenix (PHX) is a thinner route than most in this dataset — 200 departures over the past year, roughly 4 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 87% arrived on time, comfortably above the national average of 78%.
- On-time
- 87%
- arrived <15 min late
- Avg delay
- 21 min
- completed flights
- Cancelled
- 0.3%
- Flights/day
- 0.55
- last 12 months
- Duration
- 2h 19m
- scheduled
- Distance
- 696 mi
Monthly on-time trend
Best time to fly from IDA to PHX
Departure time makes little difference on this route — on-time rates stay within a few points across the day.
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 85% | 41 min |
| Tuesday | 86% | 10 min |
| Wednesday | 89% | 32 min |
| Thursday | 89% | 10 min |
| Friday | 89% | 15 min |
| Saturdaybest | 93% | 6 min |
| Sunday | 80% | 30 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft21%
- Airline operations66%
- National airspace system3%
- Weather11%
Frequently asked questions
- How often are flights from IDA to PHX delayed?
- 13% of IDA–PHX 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 21 minutes.
- What is the best time of day to fly from IDA to PHX?
- Departures around 6 a.m. have the best record (91% on-time), while departures around 7 a.m. have the worst (86%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from IDA to PHX?
- The scheduled IDA–PHX flight time averages 2h 19m over 696 miles. Actual arrival times vary — flights on this route land 15+ minutes late 13% of the time.
- How often are IDA to PHX flights cancelled?
- 0.3% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from IDA to PHX?
- January 2025 was the roughest month in this dataset, with only 77% of arrivals on time. The best was March 2026 at 97%. If your dates are flexible, that 19-point gap is worth planning around.
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Based on 381 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.