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Route · PHX → IDA · 2020–2025 BTS data

Phoenix to Idaho Falls

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), PHX to IDA (Phoenix to Idaho Falls) ranks #4586 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

85.4%
On-time
+6.4 pts
vs US avg
64 min
Delay when late
891
Flights
#4586 of 4927
Corpus placement

Cancelled

0.1%

Best Month

Jun 2022 82%

Worst Month

Jun 2022 82%

Distance

695 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 31 5 0 0 OO
Apr 2025 30 4 0 1 OO
Mar 2025 31 8 0 0 OO
Jan 2025 31 3 0 0 OO
Dec 2024 31 8 0 0 OO
May 2024 31 1 0 0 OO
Apr 2024 30 1 0 0 OO
Mar 2024 31 4 0 1 OO
Jan 2024 31 5 0 0 OO
Dec 2023 31 3 0 1 OO
May 2023 31 2 0 0 OO
Apr 2023 30 6 0 0 OO
Mar 2023 31 5 0 0 OO
Jan 2023 30 5 0 0 OO
Oct 2022 31 6 0 0 OO
Sep 2022 30 2 0 0 OO
Aug 2022 33 5 0 0 OO
Jul 2022 36 4 0 0 OO
Jun 2022 55 10 0 0 OO
May 2022 31 5 0 0 OO
Apr 2022 30 3 0 0 OO
Mar 2022 31 4 0 1 OO
Jan 2022 31 4 1 0 OO
Dec 2021 31 11 0 0 OO

PHX–IDA seasonal on-time pattern

Best: September (93.3%) · weakest: December (78.2%)

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

Strongest calendar month

September

93.3% 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

0.1%

1 of 769 flights

Diversion Rate

0.5%

4 of 769 flights

Explore origin & destination

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

PHX - Phoenix

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

PHX on-time profile

IDA - Idaho Falls

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

IDA on-time profile

Compare the two airports

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

Compare PHX vs IDA

Origin-hub reliability standing

Among PHX's stronger departures

PHX → IDA posts a 85.4% on-time rate, landing in the ≥85% band with 25 of 97 BTS-tracked routes leaving Phoenix. The same hub also shows 71 mid-band and 1 challenged departures · fleet-wide on-time rank #1096 of 4927 (highest on-time = #1).

What the Data Says About PHX to IDA

Phoenix to Idaho Falls (PHX to IDA) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85.4% on-time rate across 891 flights, with delays that do happen averaging 63.6 minutes. The corridor runs roughly 695 miles and is served by 1 carrier. Over the most recent 24 months, 1 of 769 flights were cancelled (0.1%) and 4 diverted (0.5%).

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, PHX–IDA peaks in September at 93.3% on-time while June carries the heaviest traffic (~55 flights per month) ; the softest month is December at 78.2%, a 15.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does PHX to IDA rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, PHX to IDA ranks #4586 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 PHX to IDA? ▼
Flights from Phoenix to Idaho Falls have a 85.4% on-time rate based on 891 flights. The average delay is 63.6 minutes. The best recent month was Jun 2022 with 82% on-time.
What is the cancellation rate for PHX to IDA? ▼
Over the last 24 months, 0.1% of flights on this route were cancelled (1 of 769 flights) and 0.5% were diverted.
How far is the flight from PHX to IDA? ▼
The flight distance from Phoenix (PHX) to Idaho Falls (IDA) is approximately 695 miles. This route is served by 1 carrier.

Airports on this route

PHX Airport

Phoenix
IDA Airport

Idaho Falls
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 PHX–IDA data

PHX–IDA runs 6.4 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare PHX and IDA airport profiles: delay causes and top routes differ even on the same corridor. PHX airport
  • If your dates flex, September (93.3% on-time) beats December (78.2%) on this corridor. Seasonal chart
  • 4 other routes post a similar 85.4% 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.