Idaho Falls Regional in November 2025

89.8%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 November 2025, reporting carriers scheduled 393 domestic departures from Idaho Falls Regional (IDA). 89.8% left less than 15 minutes late and 86.8% reached their destination on time; 0.8% were cancelled.

Nationally that month, 78.1% of flights departed on time and 77.3% arrived on time, so IDA departures were 11.7 points above the national departure figure.

A year earlier, in November 2024, the airport had 303 departures with 86.1% leaving on time: a change of +3.7 points, with flights up 30%.

Flights arriving at IDA that month were on time 87.0% of the time (392 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 52%, late-arriving aircraft 27% and extreme weather 13%.

On time 86.8%
Arrived 15+ minutes late 12.5%
Cancelled 0.8%
Diverted 0.0%

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

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

Measure	Nov 2025	Nov 2024	IDA, 12 months to Jul 2026	All reported flights, Nov 2025
Departed on time	89.8%	86.1%	82.1%	78.1%
Arrived on time	86.8%	80.9%	80.5%	77.3%
Cancelled	0.8%	1.0%	0.7%	2.5%
Average departure delay (late minutes only)	10.8 min	11.7 min	21.1 min	15.6 min
Scheduled departures a day	13	10	13	19,018
Scheduled departures	393	303	4,724	570,550

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	326	83%	88.7%	-3.5 min	0.6%
G4 Allegiant Air	45	11%	68.9%	21.8 min	0.0%
DL Delta Air Lines	22	6%	95.5%	-10.6 min	4.5%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
IDA–DEN	Idaho Falls to Denver	142	90.8%	-2.9 min	0.0%
IDA–SLC	Idaho Falls to Salt Lake City	88	97.7%	-13.6 min	2.3%
IDA–SEA	Idaho Falls to Seattle	58	82.8%	0.0 min	0.0%
IDA–DFW	Idaho Falls to Dallas/Fort Worth	30	66.7%	20.0 min	3.3%
IDA–PHX	Idaho Falls to Phoenix	29	89.7%	-12.5 min	0.0%
IDA–AZA	Idaho Falls to Phoenix	22	72.7%	22.1 min	0.0%
IDA–LAS	Idaho Falls to Las Vegas	10	60.0%	19.9 min	0.0%
IDA–SNA	Idaho Falls to Santa Ana	9	66.7%	15.0 min	0.0%
IDA–PDX	Idaho Falls to Portland	4	75.0%	40.8 min	0.0%
IDA–ORD	Idaho Falls to Chicago	1	100.0%	-6.0 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), November 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Nov 2025	Minutes
Air carrier	51.7%	30.2%	2,099
Late-arriving aircraft	26.7%	38.3%	1,085
National Aviation System	8.7%	26.7%	355
Extreme weather	12.8%	4.6%	520
Security	0.0%	0.1%	0

4,059 delay minutes on 49 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 November 2025?

89.8% of 393 scheduled domestic departures left less than 15 minutes late, and 86.8% reached their destination on time. The national figures that month were 78.1% and 77.3%.

How does that compare with a year earlier?

In November 2024, 86.1% of 303 departures left on time and 1.0% were cancelled, against 89.8% and 0.8% in November 2025.

Provenance

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