Kansas City (MCI) to Portland (PDX): On-Time Performance
Data through May 2026
Kansas City (MCI) to Portland (PDX) is a thinner route than most in this dataset — 286 departures over the past year, roughly 6 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 88% arrived on time, comfortably above the national average of 78%.
- On-time
- 88%
- arrived <15 min late
- Avg delay
- 7 min
- completed flights
- Cancelled
- 0.3%
- Flights/day
- 0.78
- last 12 months
- Duration
- 3h 53m
- scheduled
- Distance
- 1,482 mi
Best airline from MCI to PDX
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Alaska Airlinesmost reliable | 90% | 6 min | 0.4% | 253 |
| Southwest Airlines | 79% | 9 min | 0.0% | 67 |
Monthly on-time trend
Best time to fly from MCI to PDX
Departure time makes little difference on this route — on-time rates stay within a few points across the day.
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 85% | 10 min |
| Tuesday | 89% | 5 min |
| Wednesdaybest | 94% | 2 min |
| Thursday | 90% | 9 min |
| Friday | 88% | 9 min |
| Saturday | 83% | 8 min |
| Sunday | 89% | 6 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft61%
- Airline operations30%
- National airspace system8%
- Weather1%
Frequently asked questions
- How often are flights from MCI to PDX delayed?
- 12% of MCI–PDX flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 7 minutes.
- Which airline is most reliable from MCI to PDX?
- Alaska Airlines has the best on-time record on this route at 90%, based on 253 flights. 2 airlines flew MCI–PDX frequently enough to compare in this period.
- What is the best time of day to fly from MCI to PDX?
- Departures around 3 p.m. have the best record (91% on-time), while departures around 4 p.m. have the worst (87%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from MCI to PDX?
- The scheduled MCI–PDX flight time averages 3h 53m over 1,482 miles. Actual arrival times vary — flights on this route land 15+ minutes late 12% of the time.
- How often are MCI to PDX flights cancelled?
- 0.3% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What day of the week is most reliable for MCI to PDX?
- Wednesday flights have the best record at 94% on-time. Day-of-week differences on this route are meaningful — Saturday trails at 83%.
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Based on 320 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.