Casper/Natrona County International in January 2026

88.9%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 January 2026, reporting carriers scheduled 217 domestic departures from Casper/Natrona County International (CPR). 88.9% left less than 15 minutes late and 84.3% reached their destination on time; 1.4% were cancelled.

Nationally that month, 75.6% of flights departed on time and 75.3% arrived on time, so CPR departures were 13.3 points above the national departure figure.

A year earlier, in January 2025, the airport had 186 departures with 71.5% leaving on time: a change of +17.4 points, with flights up 17%.

Flights arriving at CPR that month were on time 77.5% of the time (218 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 42%, air carrier 36% and extreme weather 17%.

On time 84.3%
Arrived 15+ minutes late 14.3%
Cancelled 1.4%
Diverted 0.0%

Every scheduled departure from CPR in January 2026, judged by arrival at the destination.

January 2026 against a year earlier, the airport's year and the nation

Measure	Jan 2026	Jan 2025	CPR, 12 months to Jul 2026	All reported flights, Jan 2026
Departed on time	88.9%	71.5%	83.2%	75.6%
Arrived on time	84.3%	63.4%	82.1%	75.3%
Cancelled	1.4%	1.6%	0.8%	4.7%
Average departure delay (late minutes only)	16.9 min	27.2 min	16.7 min	16.7 min
Scheduled departures a day	7	6	7	18,133
Scheduled departures	217	186	2,600	544,003

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	217	100%	84.3%	0.9 min	1.4%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
CPR–DEN	Casper to Denver	217	84.3%	0.9 min	1.4%

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), January 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2026	Minutes
Air carrier	35.5%	37.3%	1,306
Late-arriving aircraft	42.0%	35.0%	1,544
National Aviation System	5.8%	18.0%	214
Extreme weather	16.7%	9.6%	616
Security	0.0%	0.1%	0

3,680 delay minutes on 31 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 January 2026?

88.9% of 217 scheduled domestic departures left less than 15 minutes late, and 84.3% reached their destination on time. The national figures that month were 75.6% and 75.3%.

How does that compare with a year earlier?

In January 2025, 71.5% of 186 departures left on time and 1.6% were cancelled, against 88.9% and 1.4% in January 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for January 2026; 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.