Portland International in July 2026

78.6%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 July 2026, reporting carriers scheduled 6,304 domestic departures from Portland International (PDX). 78.6% left less than 15 minutes late and 76.9% reached their destination on time; 0.9% were cancelled.

Nationally that month, 68.8% of flights departed on time and 69.4% arrived on time, so PDX departures were 9.8 points above the national departure figure.

A year earlier, in July 2025, the airport had 5,864 departures with 77.3% leaving on time: a change of +1.3 points, with flights up 8%.

Flights arriving at PDX that month were on time 77.3% of the time (6,306 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 37%, air carrier 36% and national aviation system 26%.

On time 76.9%
Arrived 15+ minutes late 21.7%
Cancelled 0.9%
Diverted 0.6%

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

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

Measure	Jul 2026	Jul 2025	PDX, 12 months to Jul 2026	All reported flights, Jul 2026
Departed on time	78.6%	77.3%	82.7%	68.8%
Arrived on time	76.9%	74.4%	82.0%	69.4%
Cancelled	0.9%	1.2%	0.7%	2.6%
Average departure delay (late minutes only)	14.6 min	16.4 min	11.6 min	24.1 min
Scheduled departures a day	210	196	173	21,066
Scheduled departures	6,304	5,864	63,282	631,970

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AS Alaska Airlines	2,333	37%	78.2%	4.2 min	0.8%
OO SkyWest Airlines	1,011	16%	84.6%	3.0 min	0.2%
WN Southwest Airlines	891	14%	67.9%	14.8 min	0.4%
UA United Airlines	684	11%	70.5%	9.9 min	1.0%
DL Delta Air Lines	676	11%	83.6%	1.1 min	1.9%
AA American Airlines	503	8%	74.4%	16.1 min	1.2%
G4 Allegiant Air	81	1%	72.8%	20.3 min	1.2%
F9 Frontier Airlines	71	1%	67.6%	13.3 min	2.8%
B6 JetBlue Airways	53	1%	58.5%	46.4 min	9.4%
MQ Envoy Air	1	0%	100.0%	14.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
PDX–DEN	Portland to Denver	457	78.8%	6.0 min	0.7%
PDX–SEA	Portland to Seattle	427	82.0%	4.8 min	0.5%
PDX–LAX	Portland to Los Angeles	351	80.3%	4.7 min	0.3%
PDX–ORD	Portland to Chicago	339	74.9%	8.2 min	1.2%
PDX–PHX	Portland to Phoenix	329	68.4%	22.7 min	0.3%
PDX–SFO	Portland to San Francisco	294	43.9%	28.7 min	0.7%
PDX–LAS	Portland to Las Vegas	276	79.7%	7.0 min	0.4%
PDX–SLC	Portland to Salt Lake City	240	83.3%	4.0 min	2.5%
PDX–DFW	Portland to Dallas/Fort Worth	198	80.3%	7.0 min	0.0%
PDX–SMF	Portland to Sacramento	192	75.5%	11.5 min	0.0%
PDX–MSP	Portland to Minneapolis	180	87.8%	-4.0 min	0.6%
PDX–SJC	Portland to San Jose	172	75.6%	9.4 min	0.0%

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), July 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jul 2026	Minutes
Air carrier	35.5%	31.7%	29,629
Late-arriving aircraft	36.6%	41.8%	30,546
National Aviation System	25.8%	19.9%	21,544
Extreme weather	2.1%	6.5%	1,743
Security	0.0%	0.1%	30

83,492 delay minutes on 1,365 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left PDX on time in July 2026?

78.6% of 6,304 scheduled domestic departures left less than 15 minutes late, and 76.9% reached their destination on time. The national figures that month were 68.8% and 69.4%.

How does that compare with a year earlier?

In July 2025, 77.3% of 5,864 departures left on time and 1.2% were cancelled, against 78.6% and 0.9% in July 2026.

Provenance

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