BOS to DSM flight delays & on-time performance
Nonstop flights from Boston Logan International Airport to Des Moines International Airport · 1,165 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at BOS or DSM right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Boston (BOS) to Des Moines (DSM) arrived on time 81% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1.2% were cancelled, and 10% arrived an hour or more late.
- Allegiant Air is the only airline reporting nonstop flights on this route.
- Friday was the most reliable day to fly (86% on time) and Thursday the least (72%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (51%).
Which airline is most on time from BOS to DSM?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Allegiant Air | 81% | 1.2% | 18 min | 10.0% | 81 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 10am100%10 flights
- 11am86%14 flights
- 12pm77%57 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday82%0.0% cancelled
- Wednesday100%0.0% cancelled
- Thursday72%0.0% cancelled
- Friday86%0.0% cancelled
- Sunday82%5.6% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)51%
- Late-arriving aircraft31%
- Extreme weather11%
- Air traffic control & airport congestion7%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
BOS to DSM: common questions
- How often are BOS to DSM flights on time?
- 81% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Boston to Des Moines cancelled?
- 1.2% of scheduled flights were cancelled (1 of 81).
- How long are typical delays?
- Across all flights the average arrival delay was 18 min (early arrivals count as zero). Flights that were late arrived 95 min behind schedule on average, and 10.0% of flights were an hour or more late.
- How long is taxi time at BOS?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: DSM to BOS — 88% on time
More flights from Boston
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: BOS → DSM, nonstop flights by US airlines that report to the DOT. How we calculate this.