Casper/Natrona County International in September 2024

90.0%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 September 2024, reporting carriers scheduled 210 domestic departures from Casper/Natrona County International (CPR). 90.0% left less than 15 minutes late and 90.5% reached their destination on time; 0.0% were cancelled.

Nationally that month, 84.4% of flights departed on time and 83.9% arrived on time, so CPR departures were 5.6 points above the national departure figure.

A year earlier, in September 2023, the airport had 97 departures with 88.7% leaving on time: a change of +1.3 points, with flights up 116%.

Flights arriving at CPR that month were on time 87.6% of the time (210 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 56%, late-arriving aircraft 23% and extreme weather 17%.

On time 90.5%
Arrived 15+ minutes late 9.5%
Cancelled 0.0%
Diverted 0.0%

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

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

Measure	Sep 2024	Sep 2023	CPR, 12 months to Jul 2026	All reported flights, Sep 2024
Departed on time	90.0%	88.7%	83.2%	84.4%
Arrived on time	90.5%	82.5%	82.1%	83.9%
Cancelled	0.0%	0.0%	0.8%	0.6%
Average departure delay (late minutes only)	8.2 min	7.5 min	16.7 min	10.6 min
Scheduled departures a day	7	3	7	19,421
Scheduled departures	210	97	2,600	582,622

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	210	100%	90.5%	-7.4 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
CPR–DEN	Casper to Denver	180	88.9%	-5.9 min	0.0%
CPR–SLC	Casper to Salt Lake City	30	100.0%	-16.3 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), September 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2024	Minutes
Air carrier	56.4%	38.6%	798
Late-arriving aircraft	22.5%	38.4%	318
National Aviation System	4.4%	18.2%	62
Extreme weather	16.7%	4.8%	236
Security	0.0%	0.1%	0

1,414 delay minutes on 20 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 September 2024?

90.0% of 210 scheduled domestic departures left less than 15 minutes late, and 90.5% reached their destination on time. The national figures that month were 84.4% and 83.9%.

How does that compare with a year earlier?

In September 2023, 88.7% of 97 departures left on time and 0.0% were cancelled, against 90.0% and 0.0% in September 2024.

Provenance

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