Historical on-time performance
New York to Des Moines
1,031 miData through May 2026Source: US DOT · BTS
No flights recorded for last 12 months on this route.
By airline
How each carrier compares
No airline figures for this window yet.
Why flights run late
Delay causes
Delay-cause data appears once delayed flights are recorded for this window.
When flights don't go
Why flights were cancelled
- Airline14%
- Weather40%
- Air traffic (NAS)45%
- Security0%
Most cancellations here are attributed to Air traffic (NAS). Shares are among 42 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly LGA → DSM
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 92% on time.
- Mornings92% on time · p90 on time · 120 flights · limited
- Middays82% on time · p90 30 min · 351 flights
- Afternoons75% on time · p90 55 min · 351 flights
- Evenings73% on time · p90 55 min · 1,051 flights
Best day of week
Saturdays are the most reliable day to fly this route — 90% on time.
- Saturdays90% on time · p90 10 min · 105 flights · limited
- Tuesdays80% on time · p90 45 min · 312 flights
- Wednesdays78% on time · p90 40 min · 311 flights
- Thursdays76% on time · p90 40 min · 308 flights
- Mondays74% on time · p90 45 min · 312 flights
- Sundays73% on time · p90 45 min · 255 flights
- Fridays71% on time · p90 70 min · 276 flights
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