Casper/Natrona County International in May 2024

88.2%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 102 domestic departures from Casper/Natrona County International (CPR). 88.2% left less than 15 minutes late and 89.2% reached their destination on time; 0.0% were cancelled.

Nationally that month, 73.4% of flights departed on time and 72.3% arrived on time, so CPR departures were 14.8 points above the national departure figure.

Flights arriving at CPR that month were on time 86.5% of the time (104 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 55%, extreme weather 35% and national aviation system 10%.

On time 89.2%
Arrived 15+ minutes late 10.8%
Cancelled 0.0%
Diverted 0.0%

Every scheduled departure from CPR 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	CPR, 12 months to Jul 2026	All reported flights, May 2024
Departed on time	88.2%	—	83.2%	73.4%
Arrived on time	89.2%	—	82.1%	72.3%
Cancelled	0.0%	—	0.8%	1.4%
Average departure delay (late minutes only)	15.1 min	—	16.7 min	20.8 min
Scheduled departures a day	3	—	7	20,325
Scheduled departures	102	—	2,600	609,743

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	102	100%	89.2%	-1.8 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
CPR–DEN	Casper to Denver	71	84.5%	4.3 min	0.0%
CPR–SLC	Casper to Salt Lake City	31	100.0%	-15.9 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	55.4%	29.8%	794
Late-arriving aircraft	0.0%	43.0%	0
National Aviation System	10.0%	20.1%	143
Extreme weather	34.6%	7.0%	495
Security	0.0%	0.1%	0

1,432 delay minutes on 11 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 May 2024?

88.2% of 102 scheduled domestic departures left less than 15 minutes late, and 89.2% 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 CPR · methodology · corrections.