City of Colorado Springs Municipal in December 2024

83.3%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 December 2024, reporting carriers scheduled 1,051 domestic departures from City of Colorado Springs Municipal (COS). 83.3% left less than 15 minutes late and 85.7% reached their destination on time; 0.5% were cancelled.

Nationally that month, 77.8% of flights departed on time and 78.1% arrived on time, so COS departures were 5.5 points above the national departure figure.

A year earlier, in December 2023, the airport had 1,017 departures with 82.1% leaving on time: a change of +1.2 points, with flights up 3%.

Flights arriving at COS that month were on time 79.9% of the time (1,049 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 45%, air carrier 33% and national aviation system 14%.

On time 85.7%
Arrived 15+ minutes late 13.5%
Cancelled 0.5%
Diverted 0.3%

Every scheduled departure from COS in December 2024, judged by arrival at the destination.

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

Measure	Dec 2024	Dec 2023	COS, 12 months to Jul 2026	All reported flights, Dec 2024
Departed on time	83.3%	82.1%	79.1%	77.8%
Arrived on time	85.7%	80.4%	79.8%	78.1%
Cancelled	0.5%	0.5%	1.1%	0.7%
Average departure delay (late minutes only)	11.8 min	13.3 min	16.8 min	16.6 min
Scheduled departures a day	35	34	36	19,686
Scheduled departures	1,051	1,017	13,185	590,581

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	459	44%	89.3%	-2.5 min	0.4%
WN Southwest Airlines	399	38%	82.5%	0.9 min	0.3%
AA American Airlines	93	9%	75.3%	14.3 min	1.1%
UA United Airlines	66	6%	92.4%	-12.5 min	1.5%
DL Delta Air Lines	34	3%	91.2%	-14.3 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
COS–DEN	Colorado Springs to Denver	424	91.3%	-7.2 min	0.2%
COS–DFW	Colorado Springs to Dallas/Fort Worth	155	76.1%	11.3 min	1.9%
COS–PHX	Colorado Springs to Phoenix	77	92.2%	-7.1 min	0.0%
COS–DAL	Colorado Springs to Dallas	75	76.0%	8.2 min	0.0%
COS–LAS	Colorado Springs to Las Vegas	67	82.1%	2.5 min	0.0%
COS–ORD	Colorado Springs to Chicago	59	86.4%	1.3 min	0.0%
COS–ATL	Colorado Springs to Atlanta	34	91.2%	-14.3 min	0.0%
COS–IAH	Colorado Springs to Houston	32	84.4%	18.3 min	0.0%
COS–BWI	Colorado Springs to Baltimore	31	90.3%	-4.8 min	0.0%
COS–MDW	Colorado Springs to Chicago	31	77.4%	3.2 min	3.2%
COS–SLC	Colorado Springs to Salt Lake City	31	96.8%	-14.6 min	0.0%
COS–HOU	Colorado Springs to Houston	13	84.6%	13.8 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), December 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2024	Minutes
Air carrier	32.5%	34.3%	3,553
Late-arriving aircraft	45.1%	40.2%	4,930
National Aviation System	14.4%	17.8%	1,575
Extreme weather	8.0%	7.5%	874
Security	0.0%	0.2%	0

10,932 delay minutes on 142 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 COS on time in December 2024?

83.3% of 1,051 scheduled domestic departures left less than 15 minutes late, and 85.7% reached their destination on time. The national figures that month were 77.8% and 78.1%.

How does that compare with a year earlier?

In December 2023, 82.1% of 1,017 departures left on time and 0.5% were cancelled, against 83.3% and 0.5% in December 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for COS · methodology · corrections.