Route Reliability
Portland → Kansas City
PDX–MCI · 1,482 miles · Portland International Airport to Kansas City International Airport
- 87%
- Arrive within 15 minutes
- 1 min early
- Average arrival delay
- 0%
- Cancelled
- 371
- Flights in the data
Data through May 2026.
Airlines on this route
- Alaska Airlines86% on time · 338 flights
- Southwest Airlines91% on time · 33 flights
Too little history on this route to call a winner. We rank airlines only after 100 flights each.
What the data says
Morning flights do better here.
PDX–MCI flights departing between 6–9 AM arrived on time 95% of the time, versus 70% between 12–3 PM.
Friday is doing you no favors.
PDX–MCI flights arrived on time 93% of the time on Sundays and just 77% on Fridays. That gap is worth planning around.
It basically never cancels.
Out of 371 scheduled flights, only 0.0% were cancelled.
Slipping a little lately.
PDX–MCI flights arrived on time 86% of the time over the last three months in the data, compared with 91% in the three months before that.
Flights on this route
The breakdown
- Mon87%(52 flights)
- Tue88%(49 flights)
- Wed91%(42 flights)
- Thu86%(51 flights)
- Fri77%(51 flights)
- Sat86%(57 flights)
- Sun93%(68 flights)
- 6–9 AM95%(20 flights)
- 9 AM–12 PM87%(340 flights)
- 12–3 PM70%(10 flights)
Jun 90% → May 87% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 90% | 38 |
| July 2025 | 90% | 39 |
| August 2025 | 95% | 40 |
| September 2025 | 79% | 38 |
| October 2025 | 77% | 31 |
| November 2025 | 79% | 28 |
| December 2025 | 88% | 25 |
| January 2026 | 91% | 23 |
| February 2026 | 95% | 20 |
| March 2026 | 85% | 27 |
| April 2026 | 87% | 30 |
| May 2026 | 87% | 31 |
Keep nerding
Based on 371 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.