Casper/Natrona County International in March 2026

84.2%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 March 2026, reporting carriers scheduled 215 domestic departures from Casper/Natrona County International (CPR). 84.2% left less than 15 minutes late and 84.7% reached their destination on time; 2.8% were cancelled.

Nationally that month, 72.8% of flights departed on time and 73.2% arrived on time, so CPR departures were 11.4 points above the national departure figure.

A year earlier, in March 2025, the airport had 186 departures with 82.8% leaving on time: a change of +1.4 points, with flights up 16%.

Flights arriving at CPR that month were on time 75.8% of the time (215 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, national aviation system 39%, late-arriving aircraft 30% and air carrier 29%.

On time 84.7%
Arrived 15+ minutes late 12.6%
Cancelled 2.8%
Diverted 0.0%

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

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

Measure	Mar 2026	Mar 2025	CPR, 12 months to Jul 2026	All reported flights, Mar 2026
Departed on time	84.2%	82.8%	83.2%	72.8%
Arrived on time	84.7%	79.0%	82.1%	73.2%
Cancelled	2.8%	1.1%	0.8%	2.9%
Average departure delay (late minutes only)	14.3 min	18.4 min	16.7 min	20.3 min
Scheduled departures a day	7	6	7	20,403
Scheduled departures	215	186	2,600	612,102

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	215	100%	84.7%	-4.1 min	2.8%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
CPR–DEN	Casper to Denver	215	84.7%	-4.1 min	2.8%

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), March 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2026	Minutes
Air carrier	29.1%	33.5%	769
Late-arriving aircraft	29.5%	39.3%	780
National Aviation System	39.2%	21.0%	1,037
Extreme weather	2.3%	5.9%	60
Security	0.0%	0.2%	0

2,646 delay minutes on 27 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 March 2026?

84.2% of 215 scheduled domestic departures left less than 15 minutes late, and 84.7% reached their destination on time. The national figures that month were 72.8% and 73.2%.

How does that compare with a year earlier?

In March 2025, 82.8% of 186 departures left on time and 1.1% were cancelled, against 84.2% and 2.8% in March 2026.

Provenance

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