On-Time Report

Airports › Portland (PDX) › April 2026

Airport month · April 2026

Portland International in April 2026

85.1%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 April 2026, reporting carriers scheduled 5,040 domestic departures from Portland International (PDX). 85.1% left less than 15 minutes late and 85.5% reached their destination on time; 0.5% were cancelled.

Nationally that month, 79.1% of flights departed on time and 78.9% arrived on time, so PDX departures were 6.0 points above the national departure figure.

A year earlier, in April 2025, the airport had 4,763 departures with 86.6% leaving on time: a change of −1.5 points, with flights up 6%.

Flights arriving at PDX that month were on time 84.0% of the time (5,037 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 41%, air carrier 31% and national aviation system 26%.

Every scheduled departure from PDX in April 2026, judged by arrival at the destination.

April 2026 against a year earlier, the airport's year and the nation

MeasureApr 2026Apr 2025PDX, 12 months to Jul 2026All reported flights, Apr 2026
Departed on time85.1%86.6%82.7%79.1%
Arrived on time85.5%85.0%82.0%78.9%
Cancelled0.5%0.3%0.7%0.9%
Average departure delay (late minutes only)10.0 min8.5 min11.6 min14.5 min
Scheduled departures a day16815917319,931
Scheduled departures5,0404,76363,282597,919

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
AS Alaska Airlines1,97639%88.9%-3.6 min0.4%
OO SkyWest Airlines89718%89.1%2.0 min0.3%
WN Southwest Airlines66913%77.9%5.0 min0.1%
DL Delta Air Lines57811%89.4%-3.9 min1.0%
UA United Airlines50010%75.0%8.3 min0.6%
AA American Airlines3647%81.3%0.2 min0.8%
F9 Frontier Airlines471%80.9%3.9 min0.0%
G4 Allegiant Air90%44.4%64.7 min0.0%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
PDX–SEAPortland to Seattle37289.8%-2.5 min0.0%
PDX–LAXPortland to Los Angeles34686.1%7.3 min0.6%
PDX–PHXPortland to Phoenix33886.1%2.7 min0.3%
PDX–DENPortland to Denver30388.1%-3.9 min0.0%
PDX–SFOPortland to San Francisco30057.0%22.7 min0.3%
PDX–ORDPortland to Chicago24271.5%12.2 min1.7%
PDX–LASPortland to Las Vegas23979.9%4.0 min0.4%
PDX–DFWPortland to Dallas/Fort Worth19382.4%-1.4 min1.0%
PDX–SLCPortland to Salt Lake City18691.9%-5.2 min1.1%
PDX–SANPortland to San Diego16589.1%-1.9 min1.2%
PDX–SMFPortland to Sacramento15887.3%-0.1 min0.0%
PDX–SNAPortland to Santa Ana12093.3%-7.6 min2.5%

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), April 2026.

Delay causes

BTS cause categoryShare of delay minutesNational, Apr 2026Minutes
Air carrier31.3%33.5%13,718
Late-arriving aircraft40.5%40.4%17,744
National Aviation System26.3%21.0%11,510
Extreme weather1.8%5.0%774
Security0.2%0.1%91
43,837 delay minutes on 696 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← March 2026May 2026 →

Questions and answers

How many flights left PDX on time in April 2026?

85.1% of 5,040 scheduled domestic departures left less than 15 minutes late, and 85.5% reached their destination on time. The national figures that month were 79.1% and 78.9%.

How does that compare with a year earlier?

In April 2025, 86.6% of 4,763 departures left on time and 0.3% were cancelled, against 85.1% and 0.5% in April 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for April 2026; 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.