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Route · IDA → PHX · 2020–2025 BTS data

Idaho Falls to Phoenix

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), IDA to PHX (Idaho Falls to Phoenix) ranks #4585 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

83.4%
On-time
+4.4 pts
vs US avg
120 min
Delay when late
891
Flights
#4585 of 4927
Corpus placement

Cancelled

0.3%

Best Month

Jun 2022 89%

Worst Month

Jun 2022 89%

Distance

695 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 31 3 0 0 OO
Apr 2025 30 2 0 0 OO
Mar 2025 31 4 1 0 OO
Jan 2025 31 7 0 0 OO
Dec 2024 31 4 0 0 OO
May 2024 31 3 0 0 OO
Apr 2024 30 1 0 0 OO
Mar 2024 31 7 0 0 OO
Jan 2024 31 3 0 0 OO
Dec 2023 31 5 0 0 OO
May 2023 31 5 0 0 OO
Apr 2023 30 6 0 0 OO
Mar 2023 31 8 0 1 OO
Jan 2023 30 9 0 0 OO
Oct 2022 31 9 0 1 OO
Sep 2022 30 6 0 0 OO
Aug 2022 33 7 0 0 OO
Jul 2022 36 5 0 1 OO
Jun 2022 55 6 0 0 OO
May 2022 31 6 0 0 OO
Apr 2022 30 1 0 0 OO
Mar 2022 31 4 0 0 OO
Jan 2022 31 3 1 0 OO
Dec 2021 31 15 0 0 OO

IDA–PHX seasonal on-time pattern

Best: April (91.7%) · weakest: December (78.2%)

75%80%85%90%95% JanMarAprMayJunJulAugSepOctDec 78.2%

Strongest calendar month

April

91.7% on-time · ~30 flights/mo

Busiest calendar month

June

~55 flights/mo avg

Weakest calendar month

December

78.2% on-time · ~31 flights/mo

Cancellation Rate

0.3%

2 of 769 flights

Diversion Rate

0.4%

3 of 769 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

IDA - Idaho Falls

Full on-time, delay-cause, and seasonal performance for Idaho Falls, ID.

IDA on-time profile

PHX - Phoenix

Full on-time, delay-cause, and seasonal performance for Phoenix, AZ.

PHX on-time profile

Compare the two airports

See IDA and PHX side by side on delays, cancellations, and reliability.

Compare IDA vs PHX

Origin-hub reliability standing

Mid-pack among IDA departures

From IDA, this corridor sits with 4 other 75–85% on-time routes out of 5 tracked departures, not the hub's reliability leaders (1 at ≥85%) and not the softest ( 0 below 75%). Destination: Phoenix · fleet on-time rank #1794 of 4927.

What the Data Says About IDA to PHX

Bureau of Transportation Statistics records show Idaho Falls to Phoenix (IDA to PHX) running a 83.4% on-time rate over 891 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 119.7 minutes. The 695-mile corridor is served by 1 carrier, and over the last 24 months 0.3% of 769 flights were cancelled, 0.4% diverted.

Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.

On the multi-year calendar, IDA–PHX peaks in April at 91.7% on-time while June carries the heaviest traffic (~55 flights per month) ; the softest month is December at 78.2%, a 13.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does IDA to PHX rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, IDA to PHX ranks #4585 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from IDA to PHX? ▼
Flights from Idaho Falls to Phoenix have a 83.4% on-time rate based on 891 flights. The average delay is 119.7 minutes. The best recent month was Jun 2022 with 89% on-time.
What is the cancellation rate for IDA to PHX? ▼
Over the last 24 months, 0.3% of flights on this route were cancelled (2 of 769 flights) and 0.4% were diverted.
How far is the flight from IDA to PHX? ▼
The flight distance from Idaho Falls (IDA) to Phoenix (PHX) is approximately 695 miles. This route is served by 1 carrier.

Airports on this route

IDA Airport

Idaho Falls
PHX Airport

Phoenix
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using IDA–PHX data

IDA–PHX runs 4.4 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare IDA and PHX airport profiles: delay causes and top routes differ even on the same corridor. IDA airport
  • If your dates flex, April (91.7% on-time) beats December (78.2%) on this corridor. Seasonal chart
  • 4 other routes post a similar 83.4% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.