Idaho Falls Regional in June 2026

80.2%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In June 2026, reporting carriers scheduled 501 domestic departures from Idaho Falls Regional (IDA). 80.2% left less than 15 minutes late and 78.2% reached their destination on time; 1.0% were cancelled.

Nationally that month, 72.2% of flights departed on time and 72.8% arrived on time, so IDA departures were 8.0 points above the national departure figure.

A year earlier, in June 2025, the airport had 392 departures with 81.6% leaving on time: a change of −1.4 points, with flights up 28%.

Flights arriving at IDA that month were on time 79.8% of the time (500 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 41%, late-arriving aircraft 37% and extreme weather 13%.

On time 78.2%
Arrived 15+ minutes late 20.0%
Cancelled 1.0%
Diverted 0.8%

Every scheduled departure from IDA in June 2026, judged by arrival at the destination.

June 2026 against a year earlier, the airport's year and the nation

Measure	Jun 2026	Jun 2025	IDA, 12 months to Jul 2026	All reported flights, Jun 2026
Departed on time	80.2%	81.6%	82.1%	72.2%
Arrived on time	78.2%	77.3%	80.5%	72.8%
Cancelled	1.0%	1.0%	0.7%	1.6%
Average departure delay (late minutes only)	25.0 min	15.4 min	21.1 min	20.6 min
Scheduled departures a day	17	13	13	20,253
Scheduled departures	501	392	4,724	607,577

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	393	78%	80.4%	5.3 min	1.0%
G4 Allegiant Air	48	10%	60.4%	94.4 min	2.1%
DL Delta Air Lines	30	6%	90.0%	7.7 min	0.0%
UA United Airlines	30	6%	66.7%	49.2 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
IDA–DEN	Idaho Falls to Denver	150	73.3%	19.8 min	0.0%
IDA–SLC	Idaho Falls to Salt Lake City	120	95.8%	-5.5 min	0.0%
IDA–DFW	Idaho Falls to Dallas/Fort Worth	60	71.7%	8.8 min	3.3%
IDA–SEA	Idaho Falls to Seattle	60	90.0%	-4.9 min	0.0%
IDA–PDX	Idaho Falls to Portland	39	61.5%	74.7 min	0.0%
IDA–ORD	Idaho Falls to Chicago	33	63.6%	26.9 min	6.1%
IDA–AZA	Idaho Falls to Phoenix	20	90.0%	8.5 min	0.0%
IDA–LAS	Idaho Falls to Las Vegas	10	30.0%	160.2 min	10.0%
IDA–SNA	Idaho Falls to Santa Ana	9	44.4%	34.2 min	0.0%

By scheduled departure hour

100

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), June 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2026	Minutes
Air carrier	41.2%	30.8%	4,936
Late-arriving aircraft	37.0%	42.1%	4,432
National Aviation System	9.1%	20.3%	1,086
Extreme weather	12.8%	6.7%	1,532
Security	0.0%	0.1%	0

11,986 delay minutes on 100 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left IDA on time in June 2026?

80.2% of 501 scheduled domestic departures left less than 15 minutes late, and 78.2% reached their destination on time. The national figures that month were 72.2% and 72.8%.

How does that compare with a year earlier?

In June 2025, 81.6% of 392 departures left on time and 1.0% were cancelled, against 80.2% and 1.0% in June 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for June 2026; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for IDA · methodology · corrections.