Casper/Natrona County International in December 2024

91.5%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 2024, reporting carriers scheduled 188 domestic departures from Casper/Natrona County International (CPR). 91.5% left less than 15 minutes late and 89.9% reached their destination on time; 0.0% were cancelled.

Nationally that month, 77.8% of flights departed on time and 78.1% arrived on time, so CPR departures were 13.7 points above the national departure figure.

A year earlier, in December 2023, the airport had 94 departures with 89.4% leaving on time: a change of +2.1 points, with flights up 100%.

Flights arriving at CPR that month were on time 91.0% of the time (189 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 83%, national aviation system 10% and late-arriving aircraft 7%.

On time 89.9%
Arrived 15+ minutes late 10.1%
Cancelled 0.0%
Diverted 0.0%

Every scheduled departure from CPR in December 2024, judged by arrival at the destination.

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

Measure	Dec 2024	Dec 2023	CPR, 12 months to Jul 2026	All reported flights, Dec 2024
Departed on time	91.5%	89.4%	83.2%	77.8%
Arrived on time	89.9%	88.3%	82.1%	78.1%
Cancelled	0.0%	0.0%	0.8%	0.7%
Average departure delay (late minutes only)	7.0 min	11.1 min	16.7 min	16.6 min
Scheduled departures a day	6	3	7	19,686
Scheduled departures	188	94	2,600	590,581

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	188	100%	89.9%	-7.7 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
CPR–DEN	Casper to Denver	185	89.7%	-7.6 min	0.0%
CPR–SLC	Casper to Salt Lake City	3	100.0%	-13.0 min	0.0%

By scheduled departure hour

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), December 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2024	Minutes
Air carrier	83.3%	34.3%	1,054
Late-arriving aircraft	6.6%	40.2%	84
National Aviation System	10.0%	17.8%	127
Extreme weather	0.0%	7.5%	0
Security	0.0%	0.2%	0

1,265 delay minutes on 19 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 CPR on time in December 2024?

91.5% of 188 scheduled domestic departures left less than 15 minutes late, and 89.9% reached their destination on time. The national figures that month were 77.8% and 78.1%.

How does that compare with a year earlier?

In December 2023, 89.4% of 94 departures left on time and 0.0% were cancelled, against 91.5% and 0.0% in December 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for CPR · methodology · corrections.