New York (LGA) to Des Moines (DSM): On-Time Performance
Data through July 2026
New York (LGA) to Des Moines (DSM) is a thinner route than most in this dataset — 260 departures over the past year, roughly 5 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 75% arrived on time. Cancellations are the bigger caveat: 4.3% of scheduled flights never departed.
- On-time
- 75%
- arrived <15 min late
- Avg delay
- 21 min
- completed flights
- Cancelled
- 4.3%
- Flights/day
- 0.71
- last 12 months
- Duration
- 3h 12m
- scheduled
- Distance
- 1,031 mi
Best airline from LGA to DSM
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Endeavor Airmost reliable | 83% | 18 min | 3.3% | 303 |
| Republic Airways | 71% | 22 min | 4.8% | 629 |
Monthly on-time trend
Best time to fly from LGA to DSM
Aim for departures around 9 a.m. (94% on-time); avoid 6 p.m. departures (60%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 72% | 20 min |
| Tuesday | 82% | 14 min |
| Wednesday | 76% | 20 min |
| Thursday | 72% | 16 min |
| Friday | 69% | 40 min |
| Saturdaybest | 93% | 20 min |
| Sunday | 69% | 19 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft43%
- Airline operations11%
- National airspace system35%
- Weather11%
Frequently asked questions
- How often are flights from LGA to DSM delayed?
- 25% of LGA–DSM flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 21 minutes.
- Which airline is most reliable from LGA to DSM?
- Endeavor Air has the best on-time record on this route at 83%, based on 303 flights. 2 airlines flew LGA–DSM frequently enough to compare in this period.
- What is the best time of day to fly from LGA to DSM?
- Departures around 9 a.m. have the best record (94% on-time), while departures around 6 p.m. have the worst (60%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from LGA to DSM?
- The scheduled LGA–DSM flight time averages 3h 12m over 1,031 miles. Actual arrival times vary — flights on this route land 15+ minutes late 25% of the time.
- How often are LGA to DSM flights cancelled?
- 4.3% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — several times the typical US rate, so consider earlier departures or backup options.
- What is the worst month to fly from LGA to DSM?
- June 2025 was the roughest month in this dataset, with only 44% of arrivals on time. The best was September 2024 at 96%. If your dates are flexible, that 52-point gap is worth planning around.
Explore related pages
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Based on 932 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.