Portland International in July 2024

77.5%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 2024, reporting carriers scheduled 5,492 domestic departures from Portland International (PDX). 77.5% left less than 15 minutes late and 77.0% reached their destination on time; 2.3% were cancelled.

Nationally that month, 68.5% of flights departed on time and 68.1% arrived on time, so PDX departures were 9.0 points above the national departure figure.

Flights arriving at PDX that month were on time 72.0% of the time (5,491 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 47%, air carrier 37% and national aviation system 16%.

On time 77.0%
Arrived 15+ minutes late 20.5%
Cancelled 2.3%
Diverted 0.2%

Every scheduled departure from PDX in July 2024, judged by arrival at the destination.

July 2024 against a year earlier, the airport's year and the nation

Measure	Jul 2024	Year earlier	PDX, 12 months to Jul 2026	All reported flights, Jul 2024
Departed on time	77.5%	—	82.7%	68.5%
Arrived on time	77.0%	—	82.0%	68.1%
Cancelled	2.3%	—	0.7%	2.9%
Average departure delay (late minutes only)	15.3 min	—	11.6 min	24.9 min
Scheduled departures a day	183	—	173	21,154
Scheduled departures	5,492	—	63,282	634,613

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AS Alaska Airlines	1,435	26%	80.0%	3.4 min	0.8%
WN Southwest Airlines	930	17%	77.2%	7.7 min	0.2%
OO SkyWest Airlines	729	13%	85.5%	1.7 min	0.1%
DL Delta Air Lines	711	13%	77.2%	9.2 min	6.5%
UA United Airlines	660	12%	76.8%	8.2 min	3.6%
AA American Airlines	416	8%	67.1%	19.8 min	2.2%
NK Spirit Airlines	266	5%	65.8%	16.6 min	6.8%
F9 Frontier Airlines	201	4%	63.2%	15.8 min	6.5%
HA Hawaiian Airlines	62	1%	87.1%	-1.3 min	1.6%
G4 Allegiant Air	51	1%	78.4%	3.6 min	0.0%
B6 JetBlue Airways	31	1%	32.3%	77.9 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
PDX–DEN	Portland to Denver	464	81.7%	2.2 min	1.5%
PDX–SEA	Portland to Seattle	438	84.2%	6.9 min	0.9%
PDX–LAX	Portland to Los Angeles	408	87.0%	-2.1 min	2.9%
PDX–SFO	Portland to San Francisco	351	77.8%	6.1 min	3.4%
PDX–LAS	Portland to Las Vegas	318	66.7%	12.1 min	3.1%
PDX–ORD	Portland to Chicago	297	69.4%	16.4 min	3.4%
PDX–PHX	Portland to Phoenix	282	67.4%	18.3 min	0.4%
PDX–DFW	Portland to Dallas/Fort Worth	261	64.8%	17.4 min	2.3%
PDX–SLC	Portland to Salt Lake City	219	83.1%	3.4 min	5.0%
PDX–SJC	Portland to San Jose	199	78.4%	7.3 min	1.0%
PDX–SAN	Portland to San Diego	170	77.1%	5.7 min	1.2%
PDX–SMF	Portland to Sacramento	153	80.4%	6.9 min	1.3%

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 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Jul 2024	Minutes
Air carrier	36.5%	36.6%	27,543
Late-arriving aircraft	47.1%	42.7%	35,483
National Aviation System	15.7%	16.0%	11,803
Extreme weather	0.8%	4.6%	576
Security	0.0%	0.1%	0

75,405 delay minutes on 1,127 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 2024?

77.5% of 5,492 scheduled domestic departures left less than 15 minutes late, and 77.0% reached their destination on time. The national figures that month were 68.5% and 68.1%.

How does that compare with a year earlier?

July 2023 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for July 2024; 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.