Mahlon Sweet Field in September 2024

85.6%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 September 2024, reporting carriers scheduled 526 domestic departures from Mahlon Sweet Field (EUG). 85.6% left less than 15 minutes late and 84.6% reached their destination on time; 0.0% were cancelled.

Nationally that month, 84.4% of flights departed on time and 83.9% arrived on time, so EUG departures were 1.2 points above the national departure figure.

A year earlier, in September 2023, the airport had 624 departures with 84.3% leaving on time: a change of +1.3 points, with flights down 16%.

Flights arriving at EUG that month were on time 84.4% of the time (527 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 45%, air carrier 42% and national aviation system 10%.

On time 84.6%
Arrived 15+ minutes late 15.0%
Cancelled 0.0%
Diverted 0.4%

Every scheduled departure from EUG in September 2024, judged by arrival at the destination.

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

Measure	Sep 2024	Sep 2023	EUG, 12 months to Jul 2026	All reported flights, Sep 2024
Departed on time	85.6%	84.3%	82.3%	84.4%
Arrived on time	84.6%	83.3%	82.0%	83.9%
Cancelled	0.0%	0.2%	0.7%	0.6%
Average departure delay (late minutes only)	14.0 min	17.0 min	13.7 min	10.6 min
Scheduled departures a day	18	21	24	19,421
Scheduled departures	526	624	8,899	582,622

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	167	32%	86.8%	-0.3 min	0.0%
UA United Airlines	125	24%	87.2%	3.4 min	0.0%
WN Southwest Airlines	111	21%	91.0%	-0.6 min	0.0%
AA American Airlines	76	14%	69.7%	25.0 min	0.0%
AS Alaska Airlines	29	6%	79.3%	8.9 min	0.0%
G4 Allegiant Air	18	3%	77.8%	19.7 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
EUG–SEA	Eugene to Seattle	109	83.5%	2.3 min	0.0%
EUG–SFO	Eugene to San Francisco	90	86.7%	1.3 min	0.0%
EUG–DEN	Eugene to Denver	64	89.1%	1.4 min	0.0%
EUG–SLC	Eugene to Salt Lake City	60	86.7%	3.3 min	0.0%
EUG–PHX	Eugene to Phoenix	46	71.7%	26.9 min	0.0%
EUG–LAS	Eugene to Las Vegas	39	82.1%	10.6 min	0.0%
EUG–DFW	Eugene to Dallas/Fort Worth	30	66.7%	22.3 min	0.0%
EUG–OAK	Eugene to Oakland	30	100.0%	-6.8 min	0.0%
EUG–SMF	Eugene to Sacramento	30	86.7%	2.7 min	0.0%
EUG–SJC	Eugene to San Jose	17	88.2%	5.6 min	0.0%
EUG–AZA	Eugene to Phoenix	9	100.0%	-10.1 min	0.0%
EUG–LAX	Eugene to Los Angeles	2	100.0%	-17.0 min	0.0%

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), September 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2024	Minutes
Air carrier	41.6%	38.6%	2,760
Late-arriving aircraft	44.9%	38.4%	2,978
National Aviation System	9.9%	18.2%	655
Extreme weather	3.5%	4.8%	234
Security	0.1%	0.1%	5

6,632 delay minutes on 79 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 September 2024?

85.6% of 526 scheduled domestic departures left less than 15 minutes late, and 84.6% reached their destination on time. The national figures that month were 84.4% and 83.9%.

How does that compare with a year earlier?

In September 2023, 84.3% of 624 departures left on time and 0.2% were cancelled, against 85.6% and 0.0% in September 2024.

Provenance

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