Mahlon Sweet Field in October 2025

86.3%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 2025, reporting carriers scheduled 767 domestic departures from Mahlon Sweet Field (EUG). 86.3% left less than 15 minutes late and 85.4% reached their destination on time; 0.4% were cancelled.

Nationally that month, 80.0% of flights departed on time and 79.1% arrived on time, so EUG departures were 6.3 points above the national departure figure.

A year earlier, in October 2024, the airport had 650 departures with 87.1% leaving on time: a change of −0.8 points, with flights up 18%.

Flights arriving at EUG that month were on time 86.4% of the time (767 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 42%, late-arriving aircraft 40% and national aviation system 17%.

On time 85.4%
Arrived 15+ minutes late 14.1%
Cancelled 0.4%
Diverted 0.1%

Every scheduled departure from EUG in October 2025, judged by arrival at the destination.

October 2025 against a year earlier, the airport's year and the nation

Measure	Oct 2025	Oct 2024	EUG, 12 months to Jul 2026	All reported flights, Oct 2025
Departed on time	86.3%	87.1%	82.3%	80.0%
Arrived on time	85.4%	88.3%	82.0%	79.1%
Cancelled	0.4%	0.0%	0.7%	0.5%
Average departure delay (late minutes only)	13.7 min	12.3 min	13.7 min	13.9 min
Scheduled departures a day	26	22	24	20,195
Scheduled departures	767	650	8,899	605,844

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	305	40%	89.8%	-0.9 min	0.7%
UA United Airlines	155	20%	83.9%	9.0 min	0.0%
WN Southwest Airlines	143	19%	86.0%	-0.6 min	0.0%
AS Alaska Airlines	89	12%	77.5%	7.5 min	1.1%
AA American Airlines	48	6%	83.3%	-2.8 min	0.0%
G4 Allegiant Air	27	4%	70.4%	62.6 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
EUG–SEA	Eugene to Seattle	165	85.5%	0.4 min	1.2%
EUG–DEN	Eugene to Denver	117	81.2%	13.1 min	0.0%
EUG–SFO	Eugene to San Francisco	93	83.9%	3.8 min	0.0%
EUG–PDX	Eugene to Portland	79	91.1%	1.1 min	1.3%
EUG–SLC	Eugene to Salt Lake City	62	95.2%	-12.4 min	0.0%
EUG–PHX	Eugene to Phoenix	45	84.4%	-3.2 min	0.0%
EUG–LAS	Eugene to Las Vegas	40	82.5%	33.3 min	0.0%
EUG–OAK	Eugene to Oakland	32	93.8%	-8.5 min	0.0%
EUG–SAN	Eugene to San Diego	31	64.5%	15.8 min	0.0%
EUG–SMF	Eugene to Sacramento	31	93.5%	-3.4 min	0.0%
EUG–LAX	Eugene to Los Angeles	26	92.3%	6.7 min	0.0%
EUG–SJC	Eugene to San Jose	18	83.3%	2.1 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 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Oct 2025	Minutes
Air carrier	41.5%	34.0%	4,225
Late-arriving aircraft	40.1%	39.7%	4,078
National Aviation System	17.1%	22.9%	1,734
Extreme weather	1.3%	3.3%	133
Security	0.0%	0.1%	0

10,170 delay minutes on 108 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 EUG on time in October 2025?

86.3% of 767 scheduled domestic departures left less than 15 minutes late, and 85.4% reached their destination on time. The national figures that month were 80.0% and 79.1%.

How does that compare with a year earlier?

In October 2024, 87.1% of 650 departures left on time and 0.0% were cancelled, against 86.3% and 0.4% in October 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for October 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for EUG · methodology · corrections.