Idaho Falls Regional in January 2025

75.0%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 January 2025, reporting carriers scheduled 316 domestic departures from Idaho Falls Regional (IDA). 75.0% left less than 15 minutes late and 75.9% reached their destination on time; 1.9% were cancelled.

Nationally that month, 79.3% of flights departed on time and 78.6% arrived on time, so IDA departures were 4.3 points below the national departure figure.

A year earlier, in January 2024, the airport had 228 departures with 82.5% leaving on time: a change of −7.5 points, with flights up 39%.

Flights arriving at IDA that month were on time 76.9% of the time (316 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 46%, extreme weather 30% and late-arriving aircraft 16%.

On time 75.9%
Arrived 15+ minutes late 22.2%
Cancelled 1.9%
Diverted 0.0%

Every scheduled departure from IDA in January 2025, judged by arrival at the destination.

January 2025 against a year earlier, the airport's year and the nation

Measure	Jan 2025	Jan 2024	IDA, 12 months to Jul 2026	All reported flights, Jan 2025
Departed on time	75.0%	82.5%	82.1%	79.3%
Arrived on time	75.9%	81.1%	80.5%	78.6%
Cancelled	1.9%	1.3%	0.7%	3.0%
Average departure delay (late minutes only)	30.3 min	25.3 min	21.1 min	14.0 min
Scheduled departures a day	11	8	13	17,992
Scheduled departures	316	228	4,724	539,747

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	243	77%	75.7%	14.2 min	2.5%
G4 Allegiant Air	42	13%	81.0%	39.3 min	0.0%
DL Delta Air Lines	31	10%	71.0%	33.8 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
IDA–DEN	Idaho Falls to Denver	124	72.6%	10.9 min	2.4%
IDA–SLC	Idaho Falls to Salt Lake City	88	79.5%	16.3 min	1.1%
IDA–DFW	Idaho Falls to Dallas/Fort Worth	31	71.0%	34.4 min	6.5%
IDA–PHX	Idaho Falls to Phoenix	31	77.4%	21.3 min	0.0%
IDA–AZA	Idaho Falls to Phoenix	15	73.3%	44.1 min	0.0%
IDA–LAS	Idaho Falls to Las Vegas	9	77.8%	108.8 min	0.0%
IDA–PDX	Idaho Falls to Portland	9	88.9%	15.8 min	0.0%
IDA–SNA	Idaho Falls to Santa Ana	9	88.9%	-14.8 min	0.0%

By scheduled departure hour

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

Share of departures that left less than 15 minutes late, by scheduled hour (local time), January 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2025	Minutes
Air carrier	45.6%	36.2%	4,166
Late-arriving aircraft	16.3%	34.7%	1,486
National Aviation System	7.8%	19.9%	708
Extreme weather	30.3%	9.1%	2,770
Security	0.0%	0.2%	0

9,130 delay minutes on 70 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 January 2025?

75.0% of 316 scheduled domestic departures left less than 15 minutes late, and 75.9% reached their destination on time. The national figures that month were 79.3% and 78.6%.

How does that compare with a year earlier?

In January 2024, 82.5% of 228 departures left on time and 1.3% were cancelled, against 75.0% and 1.9% in January 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for January 2025; 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.