On-Time Report

Airports › Des Moines (DSM) › June 2025

Airport month · June 2025

Des Moines International in June 2025

77.4%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 June 2025, reporting carriers scheduled 1,331 domestic departures from Des Moines International (DSM). 77.4% left less than 15 minutes late and 75.4% reached their destination on time; 1.3% were cancelled.

Nationally that month, 71.4% of flights departed on time and 70.3% arrived on time, so DSM departures were 6.0 points above the national departure figure.

A year earlier, in June 2024, the airport had 1,281 departures with 76.2% leaving on time: a change of +1.2 points, with flights up 4%.

Flights arriving at DSM that month were on time 66.3% of the time (1,336 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 39%, late-arriving aircraft 32% and national aviation system 23%.

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

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

MeasureJun 2025Jun 2024DSM, 12 months to Jul 2026All reported flights, Jun 2025
Departed on time77.4%76.2%78.5%71.4%
Arrived on time75.4%75.0%77.3%70.3%
Cancelled1.3%0.9%2.5%1.6%
Average departure delay (late minutes only)19.0 min21.2 min20.8 min22.1 min
Scheduled departures a day44434320,386
Scheduled departures1,3311,28115,584611,575

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
G4 Allegiant Air22217%79.7%6.5 min0.9%
OO SkyWest Airlines21216%75.0%17.0 min0.5%
UA United Airlines18814%73.9%13.9 min1.1%
AA American Airlines18414%70.1%16.3 min2.2%
WN Southwest Airlines14611%87.7%0.1 min0.0%
YX Republic Airline12810%63.3%20.7 min1.6%
DL Delta Air Lines1149%78.1%12.1 min1.8%
MQ Envoy Air685%77.9%5.8 min2.9%
OH PSA Airlines605%73.3%10.2 min3.3%
F9 Frontier Airlines91%55.6%13.2 min0.0%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
DSM–ORDDes Moines to Chicago28169.0%17.8 min0.7%
DSM–DENDes Moines to Denver21576.7%10.8 min0.9%
DSM–DFWDes Moines to Dallas/Fort Worth11665.5%21.7 min1.7%
DSM–ATLDes Moines to Atlanta11478.1%12.1 min1.8%
DSM–PHXDes Moines to Phoenix6692.4%-4.8 min0.0%
DSM–CLTDes Moines to Charlotte6070.0%14.5 min3.3%
DSM–DCADes Moines to Washington5964.4%15.8 min5.1%
DSM–STLDes Moines to St. Louis5687.5%-2.6 min0.0%
DSM–LASDes Moines to Las Vegas5294.2%-9.7 min1.9%
DSM–PHLDes Moines to Philadelphia5168.6%15.3 min3.9%
DSM–IAHDes Moines to Houston3090.0%12.5 min0.0%
DSM–BNADes Moines to Nashville2680.8%9.6 min0.0%

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), June 2025.

Delay causes

BTS cause categoryShare of delay minutesNational, Jun 2025Minutes
Air carrier39.1%31.6%9,631
Late-arriving aircraft32.3%40.6%7,946
National Aviation System22.7%20.9%5,595
Extreme weather5.9%6.9%1,446
Security0.1%0.2%14
24,632 delay minutes on 301 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← May 2025July 2025 →

Questions and answers

How many flights left DSM on time in June 2025?

77.4% of 1,331 scheduled domestic departures left less than 15 minutes late, and 75.4% reached their destination on time. The national figures that month were 71.4% and 70.3%.

How does that compare with a year earlier?

In June 2024, 76.2% of 1,281 departures left on time and 0.9% were cancelled, against 77.4% and 1.3% in June 2025.

Provenance

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