Best Time to Fly MIA to DSM: On-Time Stats by Hour & Airline
Miami International → Des Moines International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 77.2% of Miami (MIA) to Des Moines (DSM) flights arrived on time (180 scheduled flights). That is in line with the national average of 77.6%.
Envoy Air was the only reporting airline with regular flights on this route.
January has been the best month (83% on time) and Saturday the weakest day of the week (71%).
4.4% of flights were cancelled, versus 1.8% nationally.
MIA to DSM 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 |
|---|---|---|---|---|
| Envoy Air | 79.6% | 48 min | 2.5% | 162 |
| Republic Airways | Limited data | 15 | ||
| American Airlines | Limited data | 3 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MIA to DSM
On-time arrival % by scheduled departure hour (local time), 346 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7pm–8pm | 80.2% | 2.1% | 93 |
| 8pm–9pm | 78.0% | 3.6% | 138 |
| 9pm–10pm | 80.2% | 3.5% | 115 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on MIA to DSM
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 | 12 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 30 | ||
| Summer peak (Jun 15 - Aug 15) | Limited data | 16 | ||
| All other days | 80.5% | — | 2.1% | 288 |
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).