BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
MCI→PDX

Kansas City, MO (MCI) to Portland, OR (PDX) flight delay odds

87.0% of 316 official scheduled MCI-to-PDX flights arrived on time; 6.3% arrived at least 30 minutes late and 0.3% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALLower disruption
87.0%arrived on time
6.3%30+ min late
0.3%cancelled
316scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.4%all scheduled flights
120+ minutes late2.2%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival-3.0 mincompleted flights

Which departure time was most reliable for MCI to PDX?

Among qualifying MCI-to-PDX departure window results, Evening had the highest on-time rate: 88.2% of 152 flights. Afternoon was lowest at 86.0% across 164 flights.

Departure windowFlightsOn time30+ minCancelled
Afternoon16486.0%6.1%0.6%
Evening15288.2%6.6%0.0%

Which weekday was most reliable for MCI to PDX?

Among qualifying MCI-to-PDX weekday results, Wednesday had the highest on-time rate: 94.3% of 35 flights. Saturday was lowest at 80.0% across 45 flights.

DayFlightsOn time30+ minCancelled
Monday4584.4%11.1%0.0%
Tuesday4290.5%2.4%0.0%
Wednesday3594.3%0.0%0.0%
Thursday4488.6%6.8%0.0%
Friday4486.4%6.8%0.0%
Saturday4580.0%11.1%0.0%
Sunday6186.9%4.9%1.6%

Which airline was most reliable for MCI to PDX?

Among qualifying MCI-to-PDX airline results, Alaska Airlines had the highest on-time rate: 89.8% of 283 flights. Southwest Airlines was lowest at 63.6% across 33 flights.

AirlineFlightsOn time30+ minCancelled
Alaska Airlines28389.8%4.9%0.4%
Southwest Airlines3363.6%18.2%0.0%

Which month was most reliable for MCI to PDX?

Among qualifying MCI-to-PDX month results, February 2026 had the highest on-time rate: 100.0% of 20 flights. August 2025 was lowest at 81.0% across 21 flights.

MonthFlightsOn time30+ minCancelled
August 20252181.0%4.8%0.0%
September 20253881.6%5.3%0.0%
October 20253183.9%3.2%0.0%
November 20252989.7%6.9%3.4%
December 20252596.0%4.0%0.0%
January 20262391.3%0.0%0.0%
February 202620100.0%0.0%0.0%
March 20262592.0%4.0%0.0%
April 20262781.5%14.8%0.0%
May 20263190.3%3.2%0.0%
June 20263881.6%15.8%0.0%

What drove MCI to PDX delay minutes?

Late aircraft was the largest recorded MCI-to-PDX delay category, accounting for 61.1% of 2,313 BTS-attributed delay minutes during July 2025–June 2026.

Airline31.3%
Late aircraft61.1%
National airspace6.6%
Weather0.9%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.