Portland International Jetport in October 2024

84.0%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 October 2024, reporting carriers scheduled 1,307 domestic departures from Portland International Jetport (PWM). 84.0% left less than 15 minutes late and 85.0% reached their destination on time; 0.2% were cancelled.

Nationally that month, 85.5% of flights departed on time and 85.8% arrived on time, so PWM departures were 1.5 points below the national departure figure.

A year earlier, in October 2023, the airport had 1,082 departures with 87.0% leaving on time: a change of −3.0 points, with flights up 21%.

Flights arriving at PWM that month were on time 85.3% of the time (1,306 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 57%, late-arriving aircraft 30% and national aviation system 10%.

On time 85.0%
Arrived 15+ minutes late 14.6%
Cancelled 0.2%
Diverted 0.2%

Every scheduled departure from PWM in October 2024, judged by arrival at the destination.

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

Measure	Oct 2024	Oct 2023	PWM, 12 months to Jul 2026	All reported flights, Oct 2024
Departed on time	84.0%	87.0%	80.0%	85.5%
Arrived on time	85.0%	87.1%	78.2%	85.8%
Cancelled	0.2%	0.1%	2.6%	1.0%
Average departure delay (late minutes only)	15.4 min	9.2 min	17.2 min	9.4 min
Scheduled departures a day	44	36	30	20,517
Scheduled departures	1,307	1,082	10,925	615,497

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
YX Republic Airline	329	25%	87.5%	-4.2 min	0.0%
AA American Airlines	271	21%	87.5%	7.7 min	0.4%
WN Southwest Airlines	186	14%	84.9%	1.6 min	0.0%
UA United Airlines	113	9%	85.8%	2.4 min	0.0%
OO SkyWest Airlines	98	7%	71.4%	22.6 min	0.0%
DL Delta Air Lines	83	6%	92.8%	-5.0 min	0.0%
MQ Envoy Air	83	6%	85.5%	-2.2 min	0.0%
B6 JetBlue Airways	54	4%	72.2%	10.3 min	0.0%
9E Endeavor Air	49	4%	83.7%	2.9 min	0.0%
OH PSA Airlines	25	2%	88.0%	25.8 min	0.0%
F9 Frontier Airlines	16	1%	68.8%	4.4 min	12.5%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
PWM–LGA	Portland to New York	147	89.8%	-3.0 min	0.0%
PWM–ORD	Portland to Chicago	146	82.9%	0.8 min	0.0%
PWM–BWI	Portland to Baltimore	124	82.3%	2.7 min	0.0%
PWM–DCA	Portland to Washington	123	89.4%	2.1 min	0.0%
PWM–EWR	Portland to Newark	115	84.3%	-6.0 min	0.0%
PWM–JFK	Portland to New York	114	78.1%	9.8 min	0.0%
PWM–PHL	Portland to Philadelphia	97	85.6%	17.2 min	1.0%
PWM–CLT	Portland to Charlotte	94	89.4%	6.9 min	0.0%
PWM–DTW	Portland to Detroit	85	69.4%	26.0 min	0.0%
PWM–IAD	Portland to Washington	59	91.5%	-12.5 min	0.0%
PWM–ATL	Portland to Atlanta	56	89.3%	-1.4 min	0.0%
PWM–BNA	Portland to Nashville	31	87.1%	-0.2 min	0.0%

By scheduled departure hour

100

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), October 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Oct 2024	Minutes
Air carrier	56.5%	42.7%	9,725
Late-arriving aircraft	29.5%	37.4%	5,076
National Aviation System	10.4%	16.3%	1,798
Extreme weather	3.6%	3.4%	611
Security	0.0%	0.2%	0

17,210 delay minutes on 191 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 PWM on time in October 2024?

84.0% of 1,307 scheduled domestic departures left less than 15 minutes late, and 85.0% reached their destination on time. The national figures that month were 85.5% and 85.8%.

How does that compare with a year earlier?

In October 2023, 87.0% of 1,082 departures left on time and 0.1% were cancelled, against 84.0% and 0.2% in October 2024.

Provenance

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