Route Reliability
Des Moines → New York
DSM–LGA · 1,031 miles · Des Moines International Airport to LaGuardia Airport
- 77%
- Arrive within 15 minutes
- 15 min
- Average arrival delay
- 5.0%
- Cancelled
- 798
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.American Airlines81%261 flights
- 2.Delta Air Lines75%537 flights
What the data says
The 12–3 PM departure wins.
DSM–LGA flights departing between 12–3 PM arrived on time 90% of the time, versus 70% between 3–6 PM.
Skip Thursday if you can.
DSM–LGA flights arrived on time 84% of the time on Fridays. On Thursdays: 70%.
American Airlines has a slight edge here.
American Airlines arrived on time 81% of the time on this route; Delta Air Lines managed 75%.
Keep a backup plan handy.
This route was cancelled 5.0% of the time. Typical for U.S. flights is around 1–2%.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon73%(122 flights)
- Tue76%(122 flights)
- Wed84%(128 flights)
- Thu70%(120 flights)
- Fri84%(124 flights)
- Sat75%(52 flights)
- Sun74%(88 flights)
- 3–6 AM—(1 flights)
- 6–9 AM78%(533 flights)
- 9 AM–12 PM79%(58 flights)
- 12–3 PM90%(10 flights)
- 3–6 PM70%(154 flights)
Jun 76% → May 83% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 76% | 75 |
| July 2025 | 80% | 74 |
| August 2025 | 86% | 80 |
| September 2025 | 90% | 76 |
| October 2025 | 75% | 80 |
| November 2025 | 75% | 71 |
| December 2025 | 64% | 58 |
| January 2026 | 80% | 46 |
| February 2026 | 67% | 43 |
| March 2026 | 56% | 48 |
| April 2026 | 79% | 52 |
| May 2026 | 83% | 53 |
Same trip, other airports
Keep nerding
Based on 798 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.