Portland International in January 2024

70.9%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 January 2024, reporting carriers scheduled 4,275 domestic departures from Portland International (PDX). 70.9% left less than 15 minutes late and 68.7% reached their destination on time; 9.2% were cancelled.

Nationally that month, 74.0% of flights departed on time and 72.9% arrived on time, so PDX departures were 3.1 points below the national departure figure.

Flights arriving at PDX that month were on time 67.8% of the time (4,288 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 36%, air carrier 28% and extreme weather 20%.

On time 68.7%
Arrived 15+ minutes late 21.8%
Cancelled 9.2%
Diverted 0.2%

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

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

Measure	Jan 2024	Year earlier	PDX, 12 months to Jul 2026	All reported flights, Jan 2024
Departed on time	70.9%	—	82.7%	74.0%
Arrived on time	68.7%	—	82.0%	72.9%
Cancelled	9.2%	—	0.7%	3.7%
Average departure delay (late minutes only)	18.8 min	—	11.6 min	18.7 min
Scheduled departures a day	143	—	173	18,242
Scheduled departures	4,275	—	63,282	547,271

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AS Alaska Airlines	1,303	30%	58.6%	11.8 min	19.6%
OO SkyWest Airlines	834	20%	69.7%	14.6 min	5.9%
WN Southwest Airlines	693	16%	76.0%	6.3 min	4.2%
DL Delta Air Lines	469	11%	83.8%	5.4 min	2.3%
UA United Airlines	424	10%	70.0%	7.9 min	8.3%
AA American Airlines	283	7%	64.3%	36.4 min	3.5%
NK Spirit Airlines	106	2%	81.1%	7.7 min	1.9%
F9 Frontier Airlines	77	2%	80.5%	11.5 min	2.6%
HA Hawaiian Airlines	63	1%	42.9%	47.6 min	1.6%
G4 Allegiant Air	23	1%	87.0%	-4.8 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
PDX–SEA	Portland to Seattle	477	66.2%	17.0 min	10.1%
PDX–LAS	Portland to Las Vegas	324	72.2%	8.4 min	8.0%
PDX–DEN	Portland to Denver	299	76.3%	3.9 min	6.0%
PDX–LAX	Portland to Los Angeles	298	74.5%	-0.8 min	9.7%
PDX–PHX	Portland to Phoenix	275	73.8%	14.6 min	6.9%
PDX–SFO	Portland to San Francisco	221	57.5%	16.5 min	10.0%
PDX–SJC	Portland to San Jose	194	72.2%	11.5 min	3.6%
PDX–DFW	Portland to Dallas/Fort Worth	175	61.1%	33.4 min	5.1%
PDX–SLC	Portland to Salt Lake City	171	77.8%	12.5 min	2.3%
PDX–OAK	Portland to Oakland	170	83.5%	2.9 min	4.1%
PDX–SAN	Portland to San Diego	135	63.7%	12.0 min	20.0%
PDX–SMF	Portland to Sacramento	133	75.2%	8.3 min	3.8%

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), January 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2024	Minutes
Air carrier	27.8%	32.6%	19,764
Late-arriving aircraft	35.9%	39.0%	25,500
National Aviation System	16.0%	17.9%	11,344
Extreme weather	20.2%	10.3%	14,346
Security	0.0%	0.2%	22

70,976 delay minutes on 934 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 January 2024?

70.9% of 4,275 scheduled domestic departures left less than 15 minutes late, and 68.7% reached their destination on time. The national figures that month were 74.0% and 72.9%.

How does that compare with a year earlier?

January 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 January 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.