Idaho Falls Regional in March 2026

78.6%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 2026, reporting carriers scheduled 341 domestic departures from Idaho Falls Regional (IDA). 78.6% left less than 15 minutes late and 80.9% reached their destination on time; 1.5% were cancelled.

Nationally that month, 72.8% of flights departed on time and 73.2% arrived on time, so IDA departures were 5.8 points above the national departure figure.

A year earlier, in March 2025, the airport had 325 departures with 87.4% leaving on time: a change of −8.8 points, with flights up 5%.

Flights arriving at IDA that month were on time 81.3% of the time (342 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 56%, late-arriving aircraft 30% and national aviation system 14%.

On time 80.9%
Arrived 15+ minutes late 17.6%
Cancelled 1.5%
Diverted 0.0%

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

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

Measure	Mar 2026	Mar 2025	IDA, 12 months to Jul 2026	All reported flights, Mar 2026
Departed on time	78.6%	87.4%	82.1%	72.8%
Arrived on time	80.9%	84.0%	80.5%	73.2%
Cancelled	1.5%	1.2%	0.7%	2.9%
Average departure delay (late minutes only)	23.5 min	10.5 min	21.1 min	20.3 min
Scheduled departures a day	11	11	13	20,403
Scheduled departures	341	325	4,724	612,102

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	269	79%	82.2%	-0.4 min	1.9%
G4 Allegiant Air	35	10%	71.4%	52.2 min	0.0%
UA United Airlines	30	9%	76.7%	6.3 min	0.0%
DL Delta Air Lines	7	2%	100.0%	-19.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
IDA–DEN	Idaho Falls to Denver	124	78.2%	3.7 min	2.4%
IDA–SLC	Idaho Falls to Salt Lake City	92	90.2%	-3.0 min	0.0%
IDA–DFW	Idaho Falls to Dallas/Fort Worth	31	67.7%	15.4 min	3.2%
IDA–PHX	Idaho Falls to Phoenix	31	96.8%	-36.0 min	0.0%
IDA–SEA	Idaho Falls to Seattle	28	71.4%	16.2 min	3.6%
IDA–AZA	Idaho Falls to Phoenix	17	70.6%	11.5 min	0.0%
IDA–LAS	Idaho Falls to Las Vegas	9	77.8%	29.6 min	0.0%
IDA–SNA	Idaho Falls to Santa Ana	9	66.7%	151.8 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 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2026	Minutes
Air carrier	55.6%	33.5%	3,826
Late-arriving aircraft	29.5%	39.3%	2,029
National Aviation System	14.1%	21.0%	967
Extreme weather	0.8%	5.9%	56
Security	0.0%	0.2%	0

6,878 delay minutes on 60 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 2026?

78.6% of 341 scheduled domestic departures left less than 15 minutes late, and 80.9% reached their destination on time. The national figures that month were 72.8% and 73.2%.

How does that compare with a year earlier?

In March 2025, 87.4% of 325 departures left on time and 1.2% were cancelled, against 78.6% and 1.5% in March 2026.

Provenance

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