BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
DSM→LGA

Des Moines, IA (DSM) to New York, NY (LGA) flight delay odds

Historically, 78.9% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 261 flights.

HISTORICAL ROUTE SIGNALVariable
78.9%arrived on time
12.6%30+ min late
3.8%cancelled
261scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.4%all scheduled flights
120+ minutes late2.3%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+1.2 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Early morning26078.8%12.7%3.8%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday4973.5%12.2%8.2%
Tuesday5080.0%12.0%4.0%
Wednesday5090.0%6.0%2.0%
Thursday4971.4%18.4%2.0%
Friday4983.7%8.2%4.1%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
Republic Airways26178.9%12.6%3.8%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 20252781.5%3.7%14.8%
August 20252676.9%19.2%3.8%
September 20252286.4%4.5%0.0%
October 20252378.3%8.7%0.0%
November 20251989.5%5.3%0.0%
December 20251471.4%21.4%0.0%
January 20261872.2%22.2%5.6%
February 20262065.0%20.0%10.0%
March 20262250.0%27.3%9.1%
April 20262290.9%9.1%0.0%
May 20262286.4%9.1%0.0%
June 20262692.3%7.7%0.0%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline48.5%
Late aircraft0.0%
National airspace16.1%
Weather35.3%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.