Idaho Falls Regional in May 2024

85.3%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 May 2024, reporting carriers scheduled 334 domestic departures from Idaho Falls Regional (IDA). 85.3% left less than 15 minutes late and 85.9% reached their destination on time; 0.6% were cancelled.

Nationally that month, 73.4% of flights departed on time and 72.3% arrived on time, so IDA departures were 11.9 points above the national departure figure.

Flights arriving at IDA that month were on time 84.1% of the time (334 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 42%, national aviation system 23% and late-arriving aircraft 18%.

On time 85.9%
Arrived 15+ minutes late 13.5%
Cancelled 0.6%
Diverted 0.0%

Every scheduled departure from IDA in May 2024, judged by arrival at the destination.

May 2024 against a year earlier, the airport's year and the nation

Measure	May 2024	Year earlier	IDA, 12 months to Jul 2026	All reported flights, May 2024
Departed on time	85.3%	—	82.1%	73.4%
Arrived on time	85.9%	—	80.5%	72.3%
Cancelled	0.6%	—	0.7%	1.4%
Average departure delay (late minutes only)	12.3 min	—	21.1 min	20.8 min
Scheduled departures a day	11	—	13	20,325
Scheduled departures	334	—	4,724	609,743

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	299	90%	85.3%	-0.1 min	0.7%
G4 Allegiant Air	35	10%	91.4%	0.9 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
IDA–DEN	Idaho Falls to Denver	123	84.6%	-0.4 min	0.0%
IDA–SLC	Idaho Falls to Salt Lake City	88	86.4%	3.4 min	0.0%
IDA–DFW	Idaho Falls to Dallas/Fort Worth	57	82.5%	-2.7 min	3.5%
IDA–PHX	Idaho Falls to Phoenix	31	90.3%	-4.7 min	0.0%
IDA–AZA	Idaho Falls to Phoenix	13	100.0%	-10.8 min	0.0%
IDA–LAS	Idaho Falls to Las Vegas	9	77.8%	28.9 min	0.0%
IDA–SNA	Idaho Falls to Santa Ana	9	100.0%	-11.0 min	0.0%
IDA–PDX	Idaho Falls to Portland	3	66.7%	3.3 min	0.0%
IDA–OAK	Idaho Falls to Oakland	1	100.0%	0.0 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), May 2024.

Delay causes

BTS cause category	Share of delay minutes	National, May 2024	Minutes
Air carrier	42.3%	29.8%	1,575
Late-arriving aircraft	18.1%	43.0%	674
National Aviation System	23.1%	20.1%	861
Extreme weather	16.4%	7.0%	610
Security	0.0%	0.1%	0

3,720 delay minutes on 45 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 May 2024?

85.3% of 334 scheduled domestic departures left less than 15 minutes late, and 85.9% reached their destination on time. The national figures that month were 73.4% and 72.3%.

How does that compare with a year earlier?

May 2023 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for May 2024; 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.