On-Time Report

Airports › Portland (PWM) › June 2026

Airport month · June 2026

Portland International Jetport in June 2026

79.4%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 June 2026, reporting carriers scheduled 1,201 domestic departures from Portland International Jetport (PWM). 79.4% left less than 15 minutes late and 79.4% reached their destination on time; 2.2% were cancelled.

Nationally that month, 72.2% of flights departed on time and 72.8% arrived on time, so PWM departures were 7.2 points above the national departure figure.

A year earlier, in June 2025, the airport had 1,139 departures with 72.4% leaving on time: a change of +7.0 points, with flights up 5%.

Flights arriving at PWM that month were on time 78.0% of the time (1,199 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 40%, national aviation system 31% and late-arriving aircraft 27%.

Every scheduled departure from PWM in June 2026, judged by arrival at the destination.

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

MeasureJun 2026Jun 2025PWM, 12 months to Jul 2026All reported flights, Jun 2026
Departed on time79.4%72.4%80.0%72.2%
Arrived on time79.4%70.3%78.2%72.8%
Cancelled2.2%1.8%2.6%1.6%
Average departure delay (late minutes only)23.4 min25.0 min17.2 min20.6 min
Scheduled departures a day40383020,253
Scheduled departures1,2011,13910,925607,577

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
YX Republic Airline38332%79.6%9.4 min3.4%
AA American Airlines22819%75.9%24.5 min1.8%
WN Southwest Airlines17114%84.2%4.0 min0.0%
DL Delta Air Lines16514%80.6%9.9 min1.2%
UA United Airlines12310%81.3%5.1 min0.8%
B6 JetBlue Airways555%78.2%12.9 min0.0%
OH PSA Airlines474%68.1%47.2 min10.6%
MQ Envoy Air232%82.6%14.4 min4.3%
OO SkyWest Airlines60%83.3%-8.0 min0.0%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
PWM–ORDPortland to Chicago15078.0%6.7 min5.3%
PWM–LGAPortland to New York12381.3%26.0 min3.3%
PWM–BWIPortland to Baltimore11786.3%1.9 min0.0%
PWM–IADPortland to Washington11683.6%-3.9 min2.6%
PWM–EWRPortland to Newark10778.5%26.3 min0.9%
PWM–CLTPortland to Charlotte9483.0%6.9 min0.0%
PWM–DCAPortland to Washington9476.6%20.0 min5.3%
PWM–ATLPortland to Atlanta8481.0%0.5 min2.4%
PWM–DTWPortland to Detroit6080.0%22.8 min0.0%
PWM–PHLPortland to Philadelphia6066.7%40.7 min1.7%
PWM–JFKPortland to New York5578.2%12.9 min0.0%
PWM–DENPortland to Denver3070.0%14.6 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), June 2026.

Delay causes

BTS cause categoryShare of delay minutesNational, Jun 2026Minutes
Air carrier39.9%30.8%10,662
Late-arriving aircraft26.9%42.1%7,181
National Aviation System31.4%20.3%8,384
Extreme weather1.9%6.7%500
Security0.1%0.1%14
26,741 delay minutes on 219 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← May 2026July 2026 →

Questions and answers

How many flights left PWM on time in June 2026?

79.4% of 1,201 scheduled domestic departures left less than 15 minutes late, and 79.4% reached their destination on time. The national figures that month were 72.2% and 72.8%.

How does that compare with a year earlier?

In June 2025, 72.4% of 1,139 departures left on time and 1.8% were cancelled, against 79.4% and 2.2% in June 2026.

Provenance

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