FlightRecord

Idaho Falls (IDA) to Phoenix (AZA): On-Time Performance

Data through July 2026

Idaho Falls (IDA) to Phoenix (AZA) is a thinner route than most in this dataset — 219 departures over the past year, roughly 4 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 79% arrived on time.

On-time
79%
arrived <15 min late
Avg delay
24 min
completed flights
Cancelled
0.4%
Flights/day
0.60
last 12 months
Duration
2h 0m
scheduled
Distance
705 mi

Monthly on-time trend

Monthly on-time percentage for IDA to AZA flights50%75%100%August 2024: 95% on-time (21 flights)95Aug 2024September 2024: 100% on-time (18 flights)100October 2024: 77% on-time (17 flights)77November 2024: 76% on-time (21 flights)76Nov 2024December 2024: 65% on-time (23 flights)65January 2025: 73% on-time (15 flights)73February 2025: 67% on-time (12 flights)67Feb 2025March 2025: 71% on-time (17 flights)71April 2025: 69% on-time (13 flights)69May 2025: 83% on-time (18 flights)83May 2025June 2025: 86% on-time (22 flights)86July 2025: 87% on-time (23 flights)87August 2025: 95% on-time (20 flights)95Aug 2025September 2025: 71% on-time (17 flights)71October 2025: 82% on-time (18 flights)82November 2025: 73% on-time (22 flights)73Nov 2025December 2025: 62% on-time (26 flights)62January 2026: 70% on-time (20 flights)70February 2026: 77% on-time (13 flights)77Feb 2026March 2026: 71% on-time (17 flights)71April 2026: 69% on-time (13 flights)69May 2026: 92% on-time (12 flights)92May 2026June 2026: 90% on-time (20 flights)90July 2026: 86% on-time (21 flights)86

Best time to fly from IDA to AZA

Aim for departures around 9 a.m. (94% on-time); avoid 9 p.m. departures (47%).

On-time percentage by scheduled departure hour, IDA to AZA9 a.m.: 94% on-time (108 flights)912 p.m.: 96% on-time (24 flights)121 p.m.: 76% on-time (33 flights)133 p.m.: 71% on-time (21 flights)154 p.m.: 70% on-time (43 flights)165 p.m.: 79% on-time (38 flights)176 p.m.: 79% on-time (29 flights)187 p.m.: 79% on-time (29 flights)198 p.m.: 86% on-time (21 flights)209 p.m.: 47% on-time (32 flights)2110 p.m.: 73% on-time (52 flights)22scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday80%34 min
Tuesday67%14 min
Wednesday83%18 min
Thursday77%23 min
Friday77%37 min
Saturday75%14 min
Sundaybest86%16 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft34%
  • Airline operations43%
  • National airspace system9%
  • Weather14%

Frequently asked questions

How often are flights from IDA to AZA delayed?
21% of IDA–AZA 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 24 minutes.
What is the best time of day to fly from IDA to AZA?
Departures around 9 a.m. have the best record (94% on-time), while departures around 9 p.m. have the worst (47%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from IDA to AZA?
The scheduled IDA–AZA flight time averages 2h 0m over 705 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
How often are IDA to AZA flights cancelled?
0.4% 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 AZA?
December 2025 was the roughest month in this dataset, with only 62% of arrivals on time. The best was August 2024 at 95%. If your dates are flexible, that 34-point gap is worth planning around.

Based on 465 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.