Idaho Falls

IDA · KIDA

Idaho Falls Regional Airport

43.51°, -112.07°ID, United States

Passengers a year

731.3K

#160 busiest in the U.S.

11

nonstop destinations

8

airlines

14

departures a day

81.8%

arrivals on time

0.5%

flights cancelled

85.7%

load factor

The ten busiest routes from IDA, by passengers: DEN, SLC, SEA, AZA, DFW, SNA, LAS, PHX, PDX, ORDIDAPDXSEAORDDENDFWAZASLCPHXLASSNA
Nonstop routes — the ten busiest. Filed traffic, August 2025 – July 2026.

Airlines

United Airlines is the largest carrier at Idaho Falls, with 31% of all passengers. 8 airlines fly from here.

Share of passengers · each carrier as a slice of the whole airport

United Airlines holds 31% of the airport — the 118th most concentrated of 120 non-hub airports. The nearest comparison is AEX at 32%.

AirlineSharePassengersSeats YoY
UA
United86% fullUnited Express · operated by SkyWest
30.7%224.4K+21.8%
DL
Delta86% fullDelta Connection · operated by SkyWest
23.1%168.7K+14.4%
G4
Allegiant84% full
19.1%139.4K-11.9%
AA
American89% fullAmerican Eagle · operated by SkyWest
13.7%100.4K+21.8%
AS
Alaska84% fullOperated by SkyWest, Horizon
13.4%98.4K-26%

Share, passengers and destinations count each airline’s own flights plus the regional flying sold under its brand. On-time covers the airline's own aircraft only — regional affiliates report to the government separately. Seats year on year compares the latest twelve months against the twelve before them.

Destinations

11 nonstop destinations from Idaho Falls, all domestic.

100% domestic · 0% international · by departing passengers

Top domestic destinations

  • Denver (DEN)

    108.1K departing · 87% full

    United Airlines

  • Salt Lake City (SLC)

    87.8K departing · 88% full

    Delta Air Lines

  • Seattle (SEA)

    45.7K departing · 84% full

    Alaska Airlines

  • Mesa (AZA)

    34.1K departing · 87% full

    Allegiant Air

  • Dallas-Fort Worth (DFW)

    30.7K departing · 92% full

    American Airlines

  • Santa Ana (SNA)

    14.8K departing · 89% full

    Allegiant Air

  • Las Vegas (LAS)

    13.2K departing · 73% full

    Allegiant Air

  • Phoenix (PHX)

    11.2K departing · 85% full

    American Airlines

  • Portland (PDX)

    10.8K departing · 83% full

    Allegiant Air · Alaska Airlines

  • Chicago (ORD)

    9.2K departing · 87% full

    American Airlines · United Airlines

All nonstop destinations

11 nonstop · 5 airlines · 11 domestic / 0 intl

DENDenver

United Express · operated by SkyWest Airlines

ORDChicago

United Airlines profile

Aircraft

By share of departures at Idaho Falls.

Body class · share of departures

When Idaho Falls is busiest

Departures by month over the trailing year. Bars scale to the busiest month.

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Jun

Jul

Departures a month · peak July 2026

Annual passengers since 1990

Total passengers, arriving and departing, in every year on record.

Passengers a year

Every year
1990
272,598
1991
240,954
1992
248,638
1993
263,216
1994
229,267
1995
226,138
1996
212,131
1997
216,625
1998
176,342
1999
73,824
2000
86,861
2001
80,892
2002
131,586
2003
258,383
2004
260,725
2005
287,215
2006
303,665
2007
340,545
2008
311,376
2009
286,471
2010
292,149
2011
300,144
2012
320,311
2013
296,468
2014
334,965
2015
298,716
2016
294,276
2017
295,324
2018
323,508
2019
352,565
2020
202,231
2021
436,378
2022
616,443
2023
540,427
2024
602,321
2025
697,964
2026
425,293 so far

Arriving on time

Of every 100 flights landing at Idaho Falls, 82 touch down within 15 minutes of schedule, 17 arrive late, and 1 is cancelled.

See live FAA delays

Every 100 arrivals

On time 82Late 17Cancelled 1

15 min

average delay

25

flights cancelled

4.7K

arrivals measured

What holds flights up

Share of delay minutes

Most reliable here

SkyWest Airlines 82.6%

Least reliable here

Allegiant Air 78.5%

Among US airports

#160

On time, month by month

Darker is better · 78.4%–87.9%

The weak spot is August 2025, when 78.4% of arrivals landed on time — 3.4 points below the year. The strongest was November 2025 at 87.9%.

Frequently asked

How busy is Idaho Falls Regional Airport (IDA)?

Idaho Falls Regional Airport handled about 731.3K passengers over the trailing 12 months, ranking #160 among U.S. airports by passengers, with roughly 14 departures a day.

Which airline is the largest at Idaho Falls Regional Airport (IDA)?

United Airlines is the largest carrier at Idaho Falls (IDA), flying about 31% of its passengers. 8 airlines serve Idaho Falls in total.

How many places can you fly nonstop from Idaho Falls Regional Airport (IDA)?

Idaho Falls (IDA) has 11 nonstop destinations, all domestic.

How often do flights arrive on time at Idaho Falls Regional Airport (IDA)?

About 81.8% of flights arriving at Idaho Falls (IDA) touch down within 15 minutes of schedule, per US DOT figures. About 0.5% are cancelled.

What aircraft flies most from Idaho Falls Regional Airport (IDA)?

The Embraer E175 flew the largest share of departures from Idaho Falls (IDA), about 43% of the total.

Departing counts passengers leaving Idaho Falls. Data: traffic August 2025 – July 2026, on-time August 2025 – July 2026. Source: US DOT Bureau of Transportation Statistics (T-100 Segment, On-Time Performance).