Des Moines International in November 2025

77.5%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 November 2025, reporting carriers scheduled 1,267 domestic departures from Des Moines International (DSM). 77.5% left less than 15 minutes late and 77.0% reached their destination on time; 5.6% were cancelled.

Nationally that month, 78.1% of flights departed on time and 77.3% arrived on time, so DSM departures were 0.6 points below the national departure figure.

A year earlier, in November 2024, the airport had 1,259 departures with 90.2% leaving on time: a change of −12.7 points, with flights up 1%.

Flights arriving at DSM that month were on time 74.7% of the time (1,265 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 36%, air carrier 31% and national aviation system 20%.

On time 77.0%
Arrived 15+ minutes late 17.2%
Cancelled 5.6%
Diverted 0.2%

Every scheduled departure from DSM in November 2025, judged by arrival at the destination.

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

Measure	Nov 2025	Nov 2024	DSM, 12 months to Jul 2026	All reported flights, Nov 2025
Departed on time	77.5%	90.2%	78.5%	78.1%
Arrived on time	77.0%	88.0%	77.3%	77.3%
Cancelled	5.6%	0.2%	2.5%	2.5%
Average departure delay (late minutes only)	22.5 min	8.8 min	20.8 min	15.6 min
Scheduled departures a day	42	42	43	19,018
Scheduled departures	1,267	1,259	15,584	570,550

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	199	16%	74.9%	13.5 min	8.5%
UA United Airlines	186	15%	79.6%	12.4 min	4.8%
AA American Airlines	179	14%	65.4%	36.8 min	6.1%
G4 Allegiant Air	171	13%	76.6%	21.2 min	5.3%
WN Southwest Airlines	137	11%	83.9%	-0.4 min	2.9%
YX Republic Airline	113	9%	73.5%	2.2 min	9.7%
DL Delta Air Lines	112	9%	83.0%	-1.1 min	2.7%
MQ Envoy Air	84	7%	81.0%	-1.8 min	2.4%
OH PSA Airlines	70	6%	81.4%	-8.9 min	7.1%
F9 Frontier Airlines	16	1%	93.8%	-14.4 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
DSM–ORD	Des Moines to Chicago	271	71.2%	10.6 min	10.7%
DSM–DEN	Des Moines to Denver	164	87.8%	-0.4 min	3.0%
DSM–DFW	Des Moines to Dallas/Fort Worth	116	62.9%	38.7 min	5.2%
DSM–ATL	Des Moines to Atlanta	112	83.0%	-1.1 min	2.7%
DSM–PHX	Des Moines to Phoenix	94	69.1%	25.1 min	5.3%
DSM–CLT	Des Moines to Charlotte	86	79.1%	-4.1 min	7.0%
DSM–STL	Des Moines to St. Louis	56	85.7%	-8.7 min	3.6%
DSM–DCA	Des Moines to Washington	55	78.2%	-2.7 min	3.6%
DSM–LAS	Des Moines to Las Vegas	47	87.2%	9.8 min	0.0%
DSM–LAX	Des Moines to Los Angeles	32	68.8%	76.7 min	0.0%
DSM–IAH	Des Moines to Houston	30	90.0%	-10.6 min	6.7%
DSM–MIA	Des Moines to Miami	27	81.5%	8.7 min	3.7%

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), November 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Nov 2025	Minutes
Air carrier	30.8%	30.2%	8,327
Late-arriving aircraft	35.7%	38.3%	9,660
National Aviation System	20.3%	26.7%	5,487
Extreme weather	13.1%	4.6%	3,554
Security	0.1%	0.1%	36

27,064 delay minutes on 218 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 DSM on time in November 2025?

77.5% of 1,267 scheduled domestic departures left less than 15 minutes late, and 77.0% reached their destination on time. The national figures that month were 78.1% and 77.3%.

How does that compare with a year earlier?

In November 2024, 90.2% of 1,259 departures left on time and 0.2% were cancelled, against 77.5% and 5.6% in November 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for November 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for DSM · methodology · corrections.