Mahlon Sweet Field in June 2025

75.7%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 June 2025, reporting carriers scheduled 749 domestic departures from Mahlon Sweet Field (EUG). 75.7% left less than 15 minutes late and 74.5% reached their destination on time; 0.1% were cancelled.

Nationally that month, 71.4% of flights departed on time and 70.3% arrived on time, so EUG departures were 4.3 points above the national departure figure.

A year earlier, in June 2024, the airport had 607 departures with 81.5% leaving on time: a change of −5.8 points, with flights up 23%.

Flights arriving at EUG that month were on time 74.6% of the time (749 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 40%, late-arriving aircraft 34% and national aviation system 23%.

On time 74.5%
Arrived 15+ minutes late 25.2%
Cancelled 0.1%
Diverted 0.1%

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

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

Measure	Jun 2025	Jun 2024	EUG, 12 months to Jul 2026	All reported flights, Jun 2025
Departed on time	75.7%	81.5%	82.3%	71.4%
Arrived on time	74.5%	82.5%	82.0%	70.3%
Cancelled	0.1%	0.5%	0.7%	1.6%
Average departure delay (late minutes only)	17.2 min	10.7 min	13.7 min	22.1 min
Scheduled departures a day	25	20	24	20,386
Scheduled departures	749	607	8,899	611,575

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	334	45%	79.6%	6.3 min	0.3%
WN Southwest Airlines	148	20%	73.0%	10.9 min	0.0%
UA United Airlines	116	15%	82.8%	2.4 min	0.0%
AA American Airlines	60	8%	61.7%	24.7 min	0.0%
AS Alaska Airlines	60	8%	55.0%	19.2 min	0.0%
G4 Allegiant Air	31	4%	58.1%	47.2 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
EUG–SEA	Eugene to Seattle	191	72.3%	5.6 min	0.0%
EUG–DEN	Eugene to Denver	120	69.2%	13.0 min	0.8%
EUG–SFO	Eugene to San Francisco	90	86.7%	1.2 min	0.0%
EUG–SLC	Eugene to Salt Lake City	60	91.7%	5.7 min	0.0%
EUG–LAS	Eugene to Las Vegas	43	69.8%	32.1 min	0.0%
EUG–DFW	Eugene to Dallas/Fort Worth	30	43.3%	35.5 min	0.0%
EUG–LAX	Eugene to Los Angeles	30	90.0%	-5.8 min	0.0%
EUG–OAK	Eugene to Oakland	30	70.0%	17.1 min	0.0%
EUG–PHX	Eugene to Phoenix	30	80.0%	13.8 min	0.0%
EUG–SAN	Eugene to San Diego	30	70.0%	13.1 min	0.0%
EUG–SMF	Eugene to Sacramento	30	83.3%	2.0 min	0.0%
EUG–SJC	Eugene to San Jose	24	45.8%	27.9 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), June 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2025	Minutes
Air carrier	40.3%	31.6%	4,956
Late-arriving aircraft	34.1%	40.6%	4,200
National Aviation System	23.0%	20.9%	2,836
Extreme weather	2.2%	6.9%	268
Security	0.4%	0.2%	50

12,310 delay minutes on 189 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 June 2025?

75.7% of 749 scheduled domestic departures left less than 15 minutes late, and 74.5% reached their destination on time. The national figures that month were 71.4% and 70.3%.

How does that compare with a year earlier?

In June 2024, 81.5% of 607 departures left on time and 0.5% were cancelled, against 75.7% and 0.1% in June 2025.

Provenance

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