On-Time Report

Airports › Des Moines (DSM) › March 2026

Airport month · March 2026

Des Moines International in March 2026

75.1%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 March 2026, reporting carriers scheduled 1,371 domestic departures from Des Moines International (DSM). 75.1% left less than 15 minutes late and 75.4% reached their destination on time; 4.2% were cancelled.

Nationally that month, 72.8% of flights departed on time and 73.2% arrived on time, so DSM departures were 2.3 points above the national departure figure.

A year earlier, in March 2025, the airport had 1,212 departures with 80.0% leaving on time: a change of −4.9 points, with flights up 13%.

Flights arriving at DSM that month were on time 69.5% of the time (1,373 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 39%, late-arriving aircraft 34% and national aviation system 18%.

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

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

MeasureMar 2026Mar 2025DSM, 12 months to Jul 2026All reported flights, Mar 2026
Departed on time75.1%80.0%78.5%72.8%
Arrived on time75.4%78.7%77.3%73.2%
Cancelled4.2%4.5%2.5%2.9%
Average departure delay (late minutes only)22.7 min15.3 min20.8 min20.3 min
Scheduled departures a day46404320,403
Scheduled departures1,3711,21215,584612,102

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
OO SkyWest Airlines25018%67.6%28.3 min7.2%
AA American Airlines21816%80.7%15.5 min3.2%
G4 Allegiant Air18714%78.1%3.2 min1.6%
WN Southwest Airlines17213%80.2%1.3 min4.1%
UA United Airlines14611%79.5%6.0 min2.7%
OH PSA Airlines1068%64.2%15.4 min7.5%
DL Delta Air Lines927%85.9%-9.7 min3.3%
MQ Envoy Air816%70.4%9.2 min2.5%
YX Republic Airline796%64.6%11.0 min6.3%
F9 Frontier Airlines403%85.0%6.8 min2.5%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
DSM–ORDDes Moines to Chicago30362.7%26.8 min7.6%
DSM–DENDes Moines to Denver19283.9%4.0 min3.1%
DSM–PHXDes Moines to Phoenix12778.7%28.9 min3.9%
DSM–DFWDes Moines to Dallas/Fort Worth12376.4%7.7 min3.3%
DSM–ATLDes Moines to Atlanta9285.9%-9.7 min3.3%
DSM–CLTDes Moines to Charlotte6287.1%-4.6 min0.0%
DSM–DCADes Moines to Washington6259.7%24.6 min8.1%
DSM–MDWDes Moines to Chicago5472.2%8.0 min5.6%
DSM–LASDes Moines to Las Vegas5381.1%-0.6 min1.9%
DSM–IAHDes Moines to Houston3187.1%-10.7 min3.2%
DSM–LAXDes Moines to Los Angeles3183.9%1.9 min0.0%
DSM–MIADes Moines to Miami3187.1%-6.9 min3.2%

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), March 2026.

Delay causes

BTS cause categoryShare of delay minutesNational, Mar 2026Minutes
Air carrier39.4%33.5%11,142
Late-arriving aircraft33.6%39.3%9,491
National Aviation System18.3%21.0%5,157
Extreme weather8.6%5.9%2,417
Security0.1%0.2%38
28,245 delay minutes on 271 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← February 2026April 2026 →

Questions and answers

How many flights left DSM on time in March 2026?

75.1% of 1,371 scheduled domestic departures left less than 15 minutes late, and 75.4% reached their destination on time. The national figures that month were 72.8% and 73.2%.

How does that compare with a year earlier?

In March 2025, 80.0% of 1,212 departures left on time and 4.5% were cancelled, against 75.1% and 4.2% in March 2026.

Provenance

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