Idaho Falls Regional in March 2025

87.4%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 March 2025, reporting carriers scheduled 325 domestic departures from Idaho Falls Regional (IDA). 87.4% left less than 15 minutes late and 84.0% reached their destination on time; 1.2% were cancelled.

Nationally that month, 79.9% of flights departed on time and 79.3% arrived on time, so IDA departures were 7.5 points above the national departure figure.

A year earlier, in March 2024, the airport had 215 departures with 83.7% leaving on time: a change of +3.7 points, with flights up 51%.

Flights arriving at IDA that month were on time 80.9% of the time (325 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 45%, late-arriving aircraft 29% and national aviation system 16%.

On time 84.0%
Arrived 15+ minutes late 14.5%
Cancelled 1.2%
Diverted 0.3%

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

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

Measure	Mar 2025	Mar 2024	IDA, 12 months to Jul 2026	All reported flights, Mar 2025
Departed on time	87.4%	83.7%	82.1%	79.9%
Arrived on time	84.0%	80.5%	80.5%	79.3%
Cancelled	1.2%	0.9%	0.7%	1.2%
Average departure delay (late minutes only)	10.5 min	19.5 min	21.1 min	14.9 min
Scheduled departures a day	11	7	13	20,029
Scheduled departures	325	215	4,724	600,872

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	246	76%	84.6%	-3.9 min	1.6%
G4 Allegiant Air	48	15%	77.1%	-1.0 min	0.0%
DL Delta Air Lines	31	10%	90.3%	-5.7 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
IDA–DEN	Idaho Falls to Denver	124	87.9%	-6.3 min	1.6%
IDA–SLC	Idaho Falls to Salt Lake City	91	91.2%	-3.1 min	0.0%
IDA–DFW	Idaho Falls to Dallas/Fort Worth	31	58.1%	3.4 min	3.2%
IDA–PHX	Idaho Falls to Phoenix	31	83.9%	-5.3 min	3.2%
IDA–AZA	Idaho Falls to Phoenix	17	70.6%	2.8 min	0.0%
IDA–LAS	Idaho Falls to Las Vegas	11	90.9%	-15.9 min	0.0%
IDA–SNA	Idaho Falls to Santa Ana	11	72.7%	3.8 min	0.0%
IDA–PDX	Idaho Falls to Portland	9	77.8%	4.0 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), March 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2025	Minutes
Air carrier	44.6%	33.0%	1,398
Late-arriving aircraft	28.9%	39.2%	906
National Aviation System	16.1%	21.9%	506
Extreme weather	10.4%	5.9%	327
Security	0.0%	0.1%	0

3,137 delay minutes on 47 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 March 2025?

87.4% of 325 scheduled domestic departures left less than 15 minutes late, and 84.0% reached their destination on time. The national figures that month were 79.9% and 79.3%.

How does that compare with a year earlier?

In March 2024, 83.7% of 215 departures left on time and 0.9% were cancelled, against 87.4% and 1.2% in March 2025.

Provenance

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