Idaho Falls Regional in September 2024

90.7%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 September 2024, reporting carriers scheduled 301 domestic departures from Idaho Falls Regional (IDA). 90.7% left less than 15 minutes late and 89.7% reached their destination on time; 0.0% were cancelled.

Nationally that month, 84.4% of flights departed on time and 83.9% arrived on time, so IDA departures were 6.3 points above the national departure figure.

A year earlier, in September 2023, the airport had 269 departures with 85.9% leaving on time: a change of +4.8 points, with flights up 12%.

Flights arriving at IDA that month were on time 88.4% of the time (301 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 61%, extreme weather 17% and national aviation system 12%.

On time 89.7%
Arrived 15+ minutes late 10.3%
Cancelled 0.0%
Diverted 0.0%

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

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

Measure	Sep 2024	Sep 2023	IDA, 12 months to Jul 2026	All reported flights, Sep 2024
Departed on time	90.7%	85.9%	82.1%	84.4%
Arrived on time	89.7%	84.8%	80.5%	83.9%
Cancelled	0.0%	0.4%	0.7%	0.6%
Average departure delay (late minutes only)	7.0 min	14.7 min	21.1 min	10.6 min
Scheduled departures a day	10	9	13	19,421
Scheduled departures	301	269	4,724	582,622

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	265	88%	89.1%	-3.4 min	0.0%
G4 Allegiant Air	36	12%	94.4%	-5.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
IDA–DEN	Idaho Falls to Denver	120	90.0%	-6.9 min	0.0%
IDA–SLC	Idaho Falls to Salt Lake City	85	92.9%	-5.9 min	0.0%
IDA–DFW	Idaho Falls to Dallas/Fort Worth	60	81.7%	7.0 min	0.0%
IDA–AZA	Idaho Falls to Phoenix	18	100.0%	-11.2 min	0.0%
IDA–LAS	Idaho Falls to Las Vegas	9	88.9%	8.6 min	0.0%
IDA–SNA	Idaho Falls to Santa Ana	9	88.9%	-6.1 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), September 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2024	Minutes
Air carrier	60.6%	38.6%	1,155
Late-arriving aircraft	11.0%	38.4%	210
National Aviation System	11.7%	18.2%	222
Extreme weather	16.7%	4.8%	318
Security	0.0%	0.1%	0

1,905 delay minutes on 31 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 September 2024?

90.7% of 301 scheduled domestic departures left less than 15 minutes late, and 89.7% reached their destination on time. The national figures that month were 84.4% and 83.9%.

How does that compare with a year earlier?

In September 2023, 85.9% of 269 departures left on time and 0.4% were cancelled, against 90.7% and 0.0% in September 2024.

Provenance

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