Route Reliability
New York → Des Moines
LGA–DSM · 1,031 miles · LaGuardia Airport to Des Moines International Airport
- 68%
- Arrive within 15 minutes
- 13 min
- Average arrival delay
- 5.4%
- Cancelled
- 798
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Delta Air Lines70%537 flights
- 2.American Airlines65%261 flights
What the data says
The 12–3 PM departure wins.
LGA–DSM flights departing between 12–3 PM arrived on time 78% of the time, versus 64% between 3–6 PM.
Sunday scaries are real for this one.
LGA–DSM flights arrived on time 74% of the time on Tuesdays. On Sundays: 64%.
Delta Air Lines has a slight edge here.
Delta Air Lines arrived on time 70% of the time on this route; American Airlines managed 65%.
Keep a backup plan handy.
This route was cancelled 5.4% 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
- Mon68%(120 flights)
- Tue74%(125 flights)
- Wed69%(127 flights)
- Thu64%(114 flights)
- Fri70%(89 flights)
- Sat74%(53 flights)
- Sun64%(119 flights)
- 9 AM–12 PM78%(49 flights)
- 12–3 PM78%(170 flights)
- 3–6 PM64%(478 flights)
- 6–9 PM67%(49 flights)
- 9 PM–12 AM—(1 flights)
Jun 57% → May 69% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 57% | 74 |
| July 2025 | 60% | 70 |
| August 2025 | 86% | 81 |
| September 2025 | 84% | 76 |
| October 2025 | 72% | 79 |
| November 2025 | 56% | 73 |
| December 2025 | 55% | 55 |
| January 2026 | 67% | 46 |
| February 2026 | 95% | 41 |
| March 2026 | 55% | 51 |
| April 2026 | 64% | 50 |
| May 2026 | 69% | 51 |
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.