Mahlon Sweet Field in October 2023

85.5%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 October 2023, reporting carriers scheduled 650 domestic departures from Mahlon Sweet Field (EUG). 85.5% left less than 15 minutes late and 85.4% reached their destination on time; 0.6% were cancelled.

Nationally that month, 83.8% of flights departed on time and 84.0% arrived on time, so EUG departures were 1.7 points above the national departure figure.

Flights arriving at EUG that month were on time 83.8% of the time (650 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 48%, late-arriving aircraft 28% and extreme weather 12%.

On time 85.4%
Arrived 15+ minutes late 14.0%
Cancelled 0.6%
Diverted 0.0%

Every scheduled departure from EUG in October 2023, judged by arrival at the destination.

October 2023 against a year earlier, the airport's year and the nation

Measure	Oct 2023	Year earlier	EUG, 12 months to Jul 2026	All reported flights, Oct 2023
Departed on time	85.5%	—	82.3%	83.8%
Arrived on time	85.4%	—	82.0%	84.0%
Cancelled	0.6%	—	0.7%	0.4%
Average departure delay (late minutes only)	11.2 min	—	13.7 min	11.0 min
Scheduled departures a day	22	—	24	19,966
Scheduled departures	650	—	8,899	598,968

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	221	34%	90.0%	-3.0 min	0.0%
WN Southwest Airlines	182	28%	80.8%	8.8 min	1.1%
UA United Airlines	122	19%	87.7%	1.5 min	0.8%
AA American Airlines	59	9%	78.0%	19.6 min	1.7%
G4 Allegiant Air	35	5%	77.1%	6.0 min	0.0%
AS Alaska Airlines	31	5%	93.5%	-7.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
EUG–SEA	Eugene to Seattle	117	91.5%	-7.4 min	0.0%
EUG–DEN	Eugene to Denver	93	86.0%	1.4 min	1.1%
EUG–SFO	Eugene to San Francisco	92	87.0%	1.1 min	0.0%
EUG–SLC	Eugene to Salt Lake City	64	90.6%	-1.4 min	0.0%
EUG–PHX	Eugene to Phoenix	59	86.4%	3.7 min	0.0%
EUG–OAK	Eugene to Oakland	53	79.2%	5.5 min	0.0%
EUG–LAS	Eugene to Las Vegas	45	80.0%	20.3 min	4.4%
EUG–BUR	Eugene to Burbank	31	83.9%	6.8 min	0.0%
EUG–DFW	Eugene to Dallas/Fort Worth	31	77.4%	33.7 min	3.2%
EUG–SJC	Eugene to San Jose	31	83.9%	1.4 min	0.0%
EUG–LAX	Eugene to Los Angeles	13	69.2%	11.4 min	0.0%
EUG–AZA	Eugene to Phoenix	9	77.8%	14.2 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 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Oct 2023	Minutes
Air carrier	47.9%	41.3%	3,104
Late-arriving aircraft	28.4%	40.5%	1,842
National Aviation System	10.9%	14.4%	710
Extreme weather	12.4%	3.7%	804
Security	0.4%	0.2%	26

6,486 delay minutes on 91 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 2023?

85.5% of 650 scheduled domestic departures left less than 15 minutes late, and 85.4% reached their destination on time. The national figures that month were 83.8% and 84.0%.

How does that compare with a year earlier?

October 2022 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 October 2023; 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.