Route Reliability
Portland → Des Moines
PDX–DSM · 1,471 miles · Portland International Airport to Des Moines International Airport
76
Usually Fine
WanderNerd Reliability Score
- 75%
- Arrive within 15 minutes
- 25 min
- Average arrival delay
- 0%
- Cancelled
- 57
- Flights in the data
Data through May 2026.
Allegiant Air is the only airline in this data on this route, arriving on time 75% of the time across 57 flights. No comparison to make.
What the data says
Morning-you made the right choice.
PDX–DSM flights departing between 9 AM–12 PM arrived on time 100% of the time, versus 61% between 6–9 PM.
Sunday scaries are real for this one.
PDX–DSM flights arrived on time 90% of the time on Tuesdays and just 71% on Sundays. That gap is worth planning around.
Flights on this route
The breakdown
- Mon—(0 flights)
- Tue90%(10 flights)
- Wed—(0 flights)
- Thu74%(23 flights)
- Fri—(0 flights)
- Sat—(0 flights)
- Sun71%(24 flights)
- 9 AM–12 PM100%(17 flights)
- 3–6 PM71%(17 flights)
- 6–9 PM61%(23 flights)
64%
Aug
Jun 92% → Aug 64% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 92% | 12 |
| July 2025 | 57% | 14 |
| August 2025 | 64% | 11 |
Keep nerding
Based on 57 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.