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

Portland, OR (PDX) to Miami, FL (MIA) flight delay odds

83.0% of 342 official scheduled PDX-to-MIA flights arrived on time; 8.2% arrived at least 30 minutes late and 0.9% 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
83.0%arrived on time
8.2%30+ min late
0.9%cancelled
342scheduled 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 late1.8%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival-1.2 mincompleted flights

Which departure time was most reliable for PDX to MIA?

Among qualifying PDX-to-MIA departure window results, Night had the highest on-time rate: 83.5% of 200 flights. Early morning was lowest at 82.3% across 141 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning14182.3%7.8%0.7%
Night20083.5%8.5%1.0%

Which weekday was most reliable for PDX to MIA?

Among qualifying PDX-to-MIA weekday results, Thursday had the highest on-time rate: 89.6% of 48 flights. Friday was lowest at 77.6% across 49 flights.

DayFlightsOn time30+ minCancelled
Monday5188.2%3.9%2.0%
Tuesday5186.3%7.8%0.0%
Wednesday4278.6%11.9%0.0%
Thursday4889.6%2.1%2.1%
Friday4977.6%12.2%0.0%
Saturday5082.0%8.0%0.0%
Sunday5178.4%11.8%2.0%

Which airline was most reliable for PDX to MIA?

Among qualifying PDX-to-MIA airline results, American Airlines had the highest on-time rate: 83.5% of 200 flights. Alaska Airlines was lowest at 82.4% across 142 flights.

AirlineFlightsOn time30+ minCancelled
American Airlines20083.5%8.5%1.0%
Alaska Airlines14282.4%7.7%0.7%

Which month was most reliable for PDX to MIA?

Among qualifying PDX-to-MIA month results, February 2026 had the highest on-time rate: 86.5% of 52 flights. May 2026 was lowest at 65.0% across 20 flights.

MonthFlightsOn time30+ minCancelled
November 20253783.8%2.7%0.0%
December 20256485.9%7.8%0.0%
January 20265882.8%6.9%3.4%
February 20265286.5%3.8%0.0%
March 20266083.3%11.7%1.7%
April 20265182.4%9.8%0.0%
May 20262065.0%20.0%0.0%

What drove PDX to MIA delay minutes?

Airline was the largest recorded PDX-to-MIA delay category, accounting for 35.4% of 3,486 BTS-attributed delay minutes during July 2025–June 2026.

Airline35.4%
Late aircraft30.5%
National airspace16.1%
Weather17.6%
Security0.4%
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.