Kansas City (MCI) to Portland (PDX): On-Time Performance
Data through July 2026
Kansas City (MCI) to Portland (PDX) is a thinner route than most in this dataset — 347 departures over the past year, roughly 7 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 86% arrived on time, comfortably above the national average of 78%.
- On-time
- 86%
- arrived <15 min late
- Avg delay
- 10 min
- completed flights
- Cancelled
- 0.5%
- Flights/day
- 0.95
- last 12 months
- Duration
- 3h 53m
- scheduled
- Distance
- 1,482 mi
Best airline from MCI to PDX
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Alaska Airlinesmost reliable | 89% | 8 min | 0.6% | 314 |
| Southwest Airlines | 73% | 14 min | 0.0% | 75 |
Monthly on-time trend
Best time to fly from MCI to PDX
Aim for departures around 5 p.m. (89% on-time); avoid 3 p.m. departures (83%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 86% | 12 min |
| Tuesday | 91% | 4 min |
| Wednesdaybest | 93% | 6 min |
| Thursday | 86% | 17 min |
| Friday | 85% | 10 min |
| Saturday | 80% | 11 min |
| Sunday | 87% | 7 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft67%
- Airline operations27%
- National airspace system5%
- Weather1%
Frequently asked questions
- How often are flights from MCI to PDX delayed?
- 14% of MCI–PDX flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 10 minutes.
- Which airline is most reliable from MCI to PDX?
- Alaska Airlines has the best on-time record on this route at 89%, based on 314 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 5 p.m. have the best record (89% on-time), while departures around 3 p.m. have the worst (83%). 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 14% of the time.
- How often are MCI to PDX flights cancelled?
- 0.5% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from MCI to PDX?
- July 2026 was the roughest month in this dataset, with only 76% of arrivals on time. The best was February 2026 at 100%. If your dates are flexible, that 24-point gap is worth planning around.
Explore related pages
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Based on 389 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.