On-Time Report

Airports › Des Moines (DSM) › March 2025

Airport month · March 2025

Des Moines International in March 2025

80.0%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 March 2025, reporting carriers scheduled 1,212 domestic departures from Des Moines International (DSM). 80.0% left less than 15 minutes late and 78.7% reached their destination on time; 4.5% were cancelled.

Nationally that month, 79.9% of flights departed on time and 79.3% arrived on time, so DSM departures were level with the national departure figure.

A year earlier, in March 2024, the airport had 1,330 departures with 85.0% leaving on time: a change of −5.0 points, with flights down 9%.

Flights arriving at DSM that month were on time 74.9% of the time (1,213 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 28%, extreme weather 26% and air carrier 23%.

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

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

MeasureMar 2025Mar 2024DSM, 12 months to Jul 2026All reported flights, Mar 2025
Departed on time80.0%85.0%78.5%79.9%
Arrived on time78.7%85.0%77.3%79.3%
Cancelled4.5%0.4%2.5%1.2%
Average departure delay (late minutes only)15.3 min16.7 min20.8 min14.9 min
Scheduled departures a day40444320,029
Scheduled departures1,2121,33015,584600,872

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
G4 Allegiant Air20517%75.1%3.9 min4.9%
MQ Envoy Air18515%81.6%-2.6 min3.8%
AA American Airlines15713%78.3%19.6 min5.7%
WN Southwest Airlines15012%83.3%-5.7 min4.0%
UA United Airlines12811%81.3%1.5 min4.7%
YX Republic Airline1079%75.7%6.0 min4.7%
OO SkyWest Airlines948%77.7%4.8 min2.1%
DL Delta Air Lines938%80.6%7.7 min2.2%
OH PSA Airlines625%72.6%7.5 min11.3%
F9 Frontier Airlines313%74.2%15.2 min0.0%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
DSM–ORDDes Moines to Chicago20273.8%10.3 min3.0%
DSM–DENDes Moines to Denver17186.5%-5.1 min3.5%
DSM–PHXDes Moines to Phoenix12182.6%-4.2 min5.8%
DSM–DFWDes Moines to Dallas/Fort Worth11875.4%15.6 min5.1%
DSM–ATLDes Moines to Atlanta9380.6%7.7 min2.2%
DSM–CLTDes Moines to Charlotte6484.4%18.6 min4.7%
DSM–DCADes Moines to Washington6272.6%7.5 min11.3%
DSM–STLDes Moines to St. Louis5786.0%-8.5 min3.5%
DSM–LASDes Moines to Las Vegas5676.8%-1.2 min3.6%
DSM–PGDDes Moines to Punta Gorda3369.7%19.4 min3.0%
DSM–PIEDes Moines to St. Petersburg3265.6%14.7 min6.3%
DSM–LGADes Moines to New York3174.2%5.3 min6.5%

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 2025.

Delay causes

BTS cause categoryShare of delay minutesNational, Mar 2025Minutes
Air carrier23.1%33.0%4,087
Late-arriving aircraft27.5%39.2%4,858
National Aviation System22.9%21.9%4,044
Extreme weather26.4%5.9%4,670
Security0.0%0.1%0
17,659 delay minutes on 203 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← February 2025April 2025 →

Questions and answers

How many flights left DSM on time in March 2025?

80.0% of 1,212 scheduled domestic departures left less than 15 minutes late, and 78.7% reached their destination on time. The national figures that month were 79.9% and 79.3%.

How does that compare with a year earlier?

In March 2024, 85.0% of 1,330 departures left on time and 0.4% were cancelled, against 80.0% and 4.5% in March 2025.

Provenance

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