Casper/Natrona County International in July 2025

72.9%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 July 2025, reporting carriers scheduled 210 domestic departures from Casper/Natrona County International (CPR). 72.9% left less than 15 minutes late and 66.2% reached their destination on time; 1.9% were cancelled.

Nationally that month, 69.7% of flights departed on time and 69.0% arrived on time, so CPR departures were 3.2 points above the national departure figure.

A year earlier, in July 2024, the airport had 245 departures with 87.8% leaving on time: a change of −14.9 points, with flights down 14%.

Flights arriving at CPR that month were on time 65.7% of the time (210 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 51%, national aviation system 24% and late-arriving aircraft 19%.

On time 66.2%
Arrived 15+ minutes late 31.9%
Cancelled 1.9%
Diverted 0.0%

Every scheduled departure from CPR in July 2025, judged by arrival at the destination.

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

Measure	Jul 2025	Jul 2024	CPR, 12 months to Jul 2026	All reported flights, Jul 2025
Departed on time	72.9%	87.8%	83.2%	69.7%
Arrived on time	66.2%	86.5%	82.1%	69.0%
Cancelled	1.9%	0.0%	0.8%	2.5%
Average departure delay (late minutes only)	24.3 min	11.3 min	16.7 min	24.3 min
Scheduled departures a day	7	8	7	21,048
Scheduled departures	210	245	2,600	631,428

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	210	100%	66.2%	20.8 min	1.9%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
CPR–DEN	Casper to Denver	210	66.2%	20.8 min	1.9%

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), July 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jul 2025	Minutes
Air carrier	51.3%	31.1%	2,728
Late-arriving aircraft	18.9%	40.8%	1,007
National Aviation System	23.8%	20.7%	1,264
Extreme weather	6.0%	7.3%	319
Security	0.0%	0.1%	0

5,318 delay minutes on 67 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 July 2025?

72.9% of 210 scheduled domestic departures left less than 15 minutes late, and 66.2% reached their destination on time. The national figures that month were 69.7% and 69.0%.

How does that compare with a year earlier?

In July 2024, 87.8% of 245 departures left on time and 0.0% were cancelled, against 72.9% and 1.9% in July 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for July 2025; 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.