Best Time to Fly DSM to LGA: On-Time Stats by Hour & Airline
Des Moines International → LaGuardia
Data through July 2026 · Last updated October 18, 2026
261 flights were scheduled from Des Moines (DSM) to New York (LGA) in the last 12 months, and 81.1% of those that flew arrived on time, 3.5 points above the US average of 77.6%.
Republic Airways was the only reporting airline with regular flights on this route.
Over 24 months, Wednesday was the most reliable day (93% on time) and December the worst month (67%).
The cancellation rate was 2.7% (US average 1.8%).
DSM to LGA on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airways | 81.1% | 72 min | 2.7% | 261 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DSM to LGA
On-time arrival % by scheduled departure hour (local time), 857 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 4 | |
| 6am–7am | Limited data | 29 | |
| 7am–8am | 83.2% | 2.8% | 646 |
| 8am–9am | Limited data | 22 | |
| 9am–10am | Limited data | 18 | |
| 10am–11am | Limited data | 1 | |
| 11am–12pm | Limited data | 3 | |
| 12pm–1pm | 90.4% | 0.0% | 73 |
| 1pm–2pm | 77.1% | 0.0% | 35 |
| 2pm–3pm | Limited data | 26 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DSM to LGA
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 23 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 26 | ||
| Summer peak (Jun 15 - Aug 15) | 82.0% | -2.4 pts | 8.2% | 134 |
| All other days | 84.3% | — | 1.5% | 674 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).