On-Time Report

Airports › Portland (PDX) › October 2025

Airport month · October 2025

Portland International in October 2025

84.7%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In October 2025, reporting carriers scheduled 5,493 domestic departures from Portland International (PDX). 84.7% left less than 15 minutes late and 81.4% reached their destination on time; 0.6% were cancelled.

Nationally that month, 80.0% of flights departed on time and 79.1% arrived on time, so PDX departures were 4.7 points above the national departure figure.

A year earlier, in October 2024, the airport had 5,258 departures with 89.3% leaving on time: a change of −4.6 points, with flights up 4%.

Flights arriving at PDX that month were on time 80.5% of the time (5,489 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 39%, late-arriving aircraft 32% and national aviation system 28%.

Every scheduled departure from PDX in October 2025, judged by arrival at the destination.

October 2025 against a year earlier, the airport's year and the nation

MeasureOct 2025Oct 2024PDX, 12 months to Jul 2026All reported flights, Oct 2025
Departed on time84.7%89.3%82.7%80.0%
Arrived on time81.4%87.6%82.0%79.1%
Cancelled0.6%0.3%0.7%0.5%
Average departure delay (late minutes only)9.9 min7.0 min11.6 min13.9 min
Scheduled departures a day18317517320,195
Scheduled departures5,4935,25863,282605,844

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
AS Alaska Airlines1,86434%77.4%4.6 min1.2%
OO SkyWest Airlines1,00218%84.3%1.5 min0.3%
WN Southwest Airlines72613%77.8%6.8 min0.0%
UA United Airlines66212%85.6%-4.1 min0.0%
DL Delta Air Lines65812%92.2%-8.1 min0.3%
AA American Airlines3576%81.0%11.0 min1.7%
F9 Frontier Airlines1042%81.7%-2.6 min1.0%
HA Hawaiian Airlines731%41.1%44.4 min1.4%
G4 Allegiant Air311%93.5%-2.4 min0.0%
MQ Envoy Air130%69.2%7.3 min0.0%
NK Spirit Airlines30%100.0%-13.7 min0.0%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
PDX–SEAPortland to Seattle45887.8%-2.9 min0.4%
PDX–DENPortland to Denver39585.8%-0.2 min0.0%
PDX–LAXPortland to Los Angeles37987.1%-3.2 min0.8%
PDX–SFOPortland to San Francisco34374.6%7.1 min0.3%
PDX–PHXPortland to Phoenix29674.7%6.6 min0.7%
PDX–ORDPortland to Chicago26477.7%2.8 min0.4%
PDX–LASPortland to Las Vegas25075.6%7.4 min0.8%
PDX–DFWPortland to Dallas/Fort Worth22580.9%14.6 min3.6%
PDX–SLCPortland to Salt Lake City21189.1%-3.1 min0.0%
PDX–SMFPortland to Sacramento17783.1%3.9 min0.0%
PDX–SJCPortland to San Jose15878.5%8.8 min0.0%
PDX–ATLPortland to Atlanta15490.3%-6.2 min0.0%

By scheduled departure hour

On-time share:under 62%6270768288% and over
Share of departures that left less than 15 minutes late, by scheduled hour (local time), October 2025.

Delay causes

BTS cause categoryShare of delay minutesNational, Oct 2025Minutes
Air carrier38.8%34.0%20,257
Late-arriving aircraft31.7%39.7%16,534
National Aviation System28.0%22.9%14,633
Extreme weather1.3%3.3%690
Security0.2%0.1%92
52,206 delay minutes on 978 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← September 2025November 2025 →

Questions and answers

How many flights left PDX on time in October 2025?

84.7% of 5,493 scheduled domestic departures left less than 15 minutes late, and 81.4% reached their destination on time. The national figures that month were 80.0% and 79.1%.

How does that compare with a year earlier?

In October 2024, 89.3% of 5,258 departures left on time and 0.3% were cancelled, against 84.7% and 0.6% in October 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for October 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for PDX · methodology · corrections.