City of Colorado Springs Municipal in May 2025

76.2%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 May 2025, reporting carriers scheduled 1,103 domestic departures from City of Colorado Springs Municipal (COS). 76.2% left less than 15 minutes late and 72.2% reached their destination on time; 1.5% were cancelled.

Nationally that month, 76.7% of flights departed on time and 75.4% arrived on time, so COS departures were 0.5 points below the national departure figure.

A year earlier, in May 2024, the airport had 1,067 departures with 75.7% leaving on time: a change of +0.5 points, with flights up 3%.

Flights arriving at COS that month were on time 72.8% of the time (1,103 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 36%, national aviation system 28% and late-arriving aircraft 28%.

On time 72.2%
Arrived 15+ minutes late 26.2%
Cancelled 1.5%
Diverted 0.2%

Every scheduled departure from COS in May 2025, judged by arrival at the destination.

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

Measure	May 2025	May 2024	COS, 12 months to Jul 2026	All reported flights, May 2025
Departed on time	76.2%	75.7%	79.1%	76.7%
Arrived on time	72.2%	75.8%	79.8%	75.4%
Cancelled	1.5%	1.5%	1.1%	1.0%
Average departure delay (late minutes only)	22.9 min	20.7 min	16.8 min	17.5 min
Scheduled departures a day	37	36	36	20,188
Scheduled departures	1,103	1,067	13,185	605,648

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	461	42%	72.2%	16.0 min	1.7%
WN Southwest Airlines	409	37%	74.3%	11.7 min	0.7%
AA American Airlines	92	8%	62.0%	29.9 min	4.3%
UA United Airlines	72	7%	62.5%	19.8 min	1.4%
DL Delta Air Lines	47	4%	87.2%	12.3 min	0.0%
G4 Allegiant Air	22	2%	72.7%	106.4 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
COS–DEN	Colorado Springs to Denver	456	63.8%	23.8 min	1.5%
COS–DFW	Colorado Springs to Dallas/Fort Worth	181	66.3%	23.3 min	3.3%
COS–PHX	Colorado Springs to Phoenix	88	85.2%	9.0 min	0.0%
COS–LAS	Colorado Springs to Las Vegas	79	77.2%	4.6 min	0.0%
COS–DAL	Colorado Springs to Dallas	71	78.9%	8.3 min	4.2%
COS–ORD	Colorado Springs to Chicago	62	90.3%	-7.5 min	0.0%
COS–ATL	Colorado Springs to Atlanta	47	87.2%	12.3 min	0.0%
COS–BWI	Colorado Springs to Baltimore	31	83.9%	6.5 min	0.0%
COS–SLC	Colorado Springs to Salt Lake City	31	100.0%	-17.5 min	0.0%
COS–MDW	Colorado Springs to Chicago	26	57.7%	15.9 min	0.0%
COS–HOU	Colorado Springs to Houston	9	88.9%	-10.9 min	0.0%
COS–PIE	Colorado Springs to St. Petersburg	9	88.9%	5.1 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), May 2025.

Delay causes

BTS cause category	Share of delay minutes	National, May 2025	Minutes
Air carrier	36.4%	29.3%	9,304
Late-arriving aircraft	27.6%	37.8%	7,044
National Aviation System	27.8%	25.9%	7,111
Extreme weather	8.2%	6.9%	2,101
Security	0.0%	0.1%	0

25,560 delay minutes on 289 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 May 2025?

76.2% of 1,103 scheduled domestic departures left less than 15 minutes late, and 72.2% reached their destination on time. The national figures that month were 76.7% and 75.4%.

How does that compare with a year earlier?

In May 2024, 75.7% of 1,067 departures left on time and 1.5% were cancelled, against 76.2% and 1.5% in May 2025.

Provenance

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