On-Time Report

Airports › Des Moines (DSM) › June 2026

Airport month · June 2026

Des Moines International in June 2026

74.0%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 June 2026, reporting carriers scheduled 1,356 domestic departures from Des Moines International (DSM). 74.0% left less than 15 minutes late and 72.6% reached their destination on time; 2.9% were cancelled.

Nationally that month, 72.2% of flights departed on time and 72.8% arrived on time, so DSM departures were 1.8 points above the national departure figure.

A year earlier, in June 2025, the airport had 1,331 departures with 77.4% leaving on time: a change of −3.4 points, with flights up 2%.

Flights arriving at DSM that month were on time 67.4% of the time (1,355 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 36%, late-arriving aircraft 35% and national aviation system 21%.

Every scheduled departure from DSM in June 2026, judged by arrival at the destination.

June 2026 against a year earlier, the airport's year and the nation

MeasureJun 2026Jun 2025DSM, 12 months to Jul 2026All reported flights, Jun 2026
Departed on time74.0%77.4%78.5%72.2%
Arrived on time72.6%75.4%77.3%72.8%
Cancelled2.9%1.3%2.5%1.6%
Average departure delay (late minutes only)23.8 min19.0 min20.8 min20.6 min
Scheduled departures a day45444320,253
Scheduled departures1,3561,33115,584607,577

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
G4 Allegiant Air21416%65.4%26.8 min0.5%
AA American Airlines21116%63.5%28.5 min3.8%
OO SkyWest Airlines21015%70.0%10.6 min3.3%
UA United Airlines17413%77.6%10.5 min0.0%
WN Southwest Airlines15111%74.8%10.0 min0.0%
YX Republic Airline1209%85.0%-11.7 min4.2%
DL Delta Air Lines1138%87.6%-14.3 min2.7%
OH PSA Airlines886%67.0%53.4 min13.6%
MQ Envoy Air625%71.0%5.2 min4.8%
F9 Frontier Airlines131%92.3%5.8 min0.0%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
DSM–ORDDes Moines to Chicago26869.4%10.9 min4.9%
DSM–DENDes Moines to Denver21976.3%9.0 min0.0%
DSM–DFWDes Moines to Dallas/Fort Worth11958.8%39.4 min5.9%
DSM–ATLDes Moines to Atlanta11387.6%-14.3 min2.7%
DSM–PHLDes Moines to Philadelphia6674.2%25.5 min6.1%
DSM–PHXDes Moines to Phoenix6177.0%6.0 min0.0%
DSM–CLTDes Moines to Charlotte6070.0%16.7 min1.7%
DSM–DCADes Moines to Washington6065.0%55.6 min16.7%
DSM–MDWDes Moines to Chicago6085.0%0.1 min0.0%
DSM–LASDes Moines to Las Vegas5170.6%9.2 min0.0%
DSM–IAHDes Moines to Houston3083.3%2.3 min0.0%
DSM–LAXDes Moines to Los Angeles3063.3%13.9 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 2026.

Delay causes

BTS cause categoryShare of delay minutesNational, Jun 2026Minutes
Air carrier35.5%30.8%10,748
Late-arriving aircraft35.4%42.1%10,722
National Aviation System21.0%20.3%6,355
Extreme weather8.0%6.7%2,432
Security0.0%0.1%15
30,272 delay minutes on 329 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← May 2026July 2026 →

Questions and answers

How many flights left DSM on time in June 2026?

74.0% of 1,356 scheduled domestic departures left less than 15 minutes late, and 72.6% reached their destination on time. The national figures that month were 72.2% and 72.8%.

How does that compare with a year earlier?

In June 2025, 77.4% of 1,331 departures left on time and 1.3% were cancelled, against 74.0% and 2.9% in June 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for June 2026; 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.