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

Nashville, TN (BNA) to Portland, OR (PDX) flight delay odds

73.4% of 323 official scheduled BNA-to-PDX flights arrived on time; 13.9% 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 SIGNALGenerally reliable
73.4%arrived on time
13.9%30+ min late
0.3%cancelled
323scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.9%all scheduled flights
120+ minutes late1.9%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+5.6 mincompleted flights

Which departure time was most reliable for BNA to PDX?

Among qualifying BNA-to-PDX departure window results, Afternoon had the highest on-time rate: 82.6% of 92 flights. Evening was lowest at 69.7% across 231 flights.

Departure windowFlightsOn time30+ minCancelled
Afternoon9282.6%9.8%0.0%
Evening23169.7%15.6%0.4%

Which weekday was most reliable for BNA to PDX?

Among qualifying BNA-to-PDX weekday results, Wednesday had the highest on-time rate: 83.3% of 42 flights. Monday was lowest at 66.0% across 47 flights.

DayFlightsOn time30+ minCancelled
Monday4766.0%21.3%2.1%
Tuesday4868.8%14.6%0.0%
Wednesday4283.3%7.1%0.0%
Thursday4673.9%13.0%0.0%
Friday4673.9%13.0%0.0%
Saturday4778.7%14.9%0.0%
Sunday4770.2%12.8%0.0%

Which airline was most reliable for BNA to PDX?

Only Alaska Airlines met the BNA-to-PDX airline threshold: 73.3% of 318 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Alaska Airlines31873.3%13.8%0.3%
Southwest Airlines580.0%20.0%0.0%

Which month was most reliable for BNA to PDX?

Among qualifying BNA-to-PDX month results, August 2025 had the highest on-time rate: 87.5% of 32 flights. October 2025 was lowest at 50.0% across 30 flights.

MonthFlightsOn time30+ minCancelled
July 20253582.9%11.4%0.0%
August 20253287.5%6.2%0.0%
September 20253086.7%6.7%0.0%
October 20253050.0%26.7%0.0%
November 20252955.2%24.1%0.0%
December 20253158.1%12.9%3.2%
March 20262774.1%18.5%0.0%
April 20263076.7%20.0%0.0%
May 20263177.4%3.2%0.0%
June 20263080.0%13.3%0.0%

What drove BNA to PDX delay minutes?

Late aircraft was the largest recorded BNA-to-PDX delay category, accounting for 42.6% of 4,319 BTS-attributed delay minutes during July 2025–June 2026.

Airline33.2%
Late aircraft42.6%
National airspace19.0%
Weather4.8%
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.