Idaho Falls Regional in December 2023

82.5%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 December 2023, reporting carriers scheduled 285 domestic departures from Idaho Falls Regional (IDA). 82.5% left less than 15 minutes late and 82.5% reached their destination on time; 0.7% were cancelled.

Nationally that month, 83.1% of flights departed on time and 83.8% arrived on time, so IDA departures were 0.6 points below the national departure figure.

Flights arriving at IDA that month were on time 85.6% of the time (285 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 53%, extreme weather 30% and late-arriving aircraft 12%.

On time 82.5%
Arrived 15+ minutes late 16.8%
Cancelled 0.7%
Diverted 0.0%

Every scheduled departure from IDA in December 2023, judged by arrival at the destination.

December 2023 against a year earlier, the airport's year and the nation

Measure	Dec 2023	Year earlier	IDA, 12 months to Jul 2026	All reported flights, Dec 2023
Departed on time	82.5%	—	82.1%	83.1%
Arrived on time	82.5%	—	80.5%	83.8%
Cancelled	0.7%	—	0.7%	0.4%
Average departure delay (late minutes only)	20.8 min	—	21.1 min	11.6 min
Scheduled departures a day	10	—	13	19,013
Scheduled departures	285	—	4,724	570,394

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	237	83%	86.1%	0.6 min	0.4%
G4 Allegiant Air	48	17%	64.6%	24.1 min	2.1%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
IDA–DEN	Idaho Falls to Denver	92	83.7%	2.8 min	1.1%
IDA–SLC	Idaho Falls to Salt Lake City	83	88.0%	6.4 min	0.0%
IDA–DFW	Idaho Falls to Dallas/Fort Worth	31	90.3%	-15.8 min	0.0%
IDA–PHX	Idaho Falls to Phoenix	31	83.9%	-4.7 min	0.0%
IDA–AZA	Idaho Falls to Phoenix	17	58.8%	67.8 min	5.9%
IDA–LAS	Idaho Falls to Las Vegas	13	69.2%	-3.5 min	0.0%
IDA–PDX	Idaho Falls to Portland	9	88.9%	-15.0 min	0.0%
IDA–SNA	Idaho Falls to Santa Ana	9	44.4%	25.2 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), December 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2023	Minutes
Air carrier	52.8%	37.1%	2,819
Late-arriving aircraft	11.5%	38.8%	613
National Aviation System	5.4%	17.6%	290
Extreme weather	30.4%	6.2%	1,622
Security	0.0%	0.3%	0

5,344 delay minutes on 48 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 December 2023?

82.5% of 285 scheduled domestic departures left less than 15 minutes late, and 82.5% reached their destination on time. The national figures that month were 83.1% and 83.8%.

How does that compare with a year earlier?

December 2022 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 December 2023; 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.