Mahlon Sweet Field in July 2025

79.6%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 July 2025, reporting carriers scheduled 776 domestic departures from Mahlon Sweet Field (EUG). 79.6% left less than 15 minutes late and 78.5% reached their destination on time; 0.5% were cancelled.

Nationally that month, 69.7% of flights departed on time and 69.0% arrived on time, so EUG departures were 9.9 points above the national departure figure.

A year earlier, in July 2024, the airport had 639 departures with 80.3% leaving on time: a change of −0.7 points, with flights up 21%.

Flights arriving at EUG that month were on time 76.2% of the time (776 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 46%, late-arriving aircraft 35% and national aviation system 17%.

On time 78.5%
Arrived 15+ minutes late 20.5%
Cancelled 0.5%
Diverted 0.5%

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

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

Measure	Jul 2025	Jul 2024	EUG, 12 months to Jul 2026	All reported flights, Jul 2025
Departed on time	79.6%	80.3%	82.3%	69.7%
Arrived on time	78.5%	82.9%	82.0%	69.0%
Cancelled	0.5%	0.6%	0.7%	2.5%
Average departure delay (late minutes only)	17.8 min	20.3 min	13.7 min	24.3 min
Scheduled departures a day	26	21	24	21,048
Scheduled departures	776	639	8,899	631,428

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	370	48%	86.8%	1.2 min	0.3%
WN Southwest Airlines	159	20%	71.7%	11.2 min	0.0%
UA United Airlines	93	12%	75.3%	8.5 min	0.0%
AA American Airlines	62	8%	62.9%	48.0 min	3.2%
AS Alaska Airlines	61	8%	73.8%	6.2 min	1.6%
G4 Allegiant Air	31	4%	64.5%	82.7 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
EUG–SEA	Eugene to Seattle	184	83.7%	0.9 min	0.5%
EUG–DEN	Eugene to Denver	128	64.1%	17.8 min	0.8%
EUG–SFO	Eugene to San Francisco	92	85.9%	1.3 min	0.0%
EUG–SLC	Eugene to Salt Lake City	62	96.8%	-5.3 min	0.0%
EUG–LAS	Eugene to Las Vegas	44	70.5%	51.8 min	0.0%
EUG–DFW	Eugene to Dallas/Fort Worth	31	45.2%	39.1 min	0.0%
EUG–LAX	Eugene to Los Angeles	31	96.8%	-6.3 min	0.0%
EUG–OAK	Eugene to Oakland	31	64.5%	14.1 min	0.0%
EUG–PDX	Eugene to Portland	31	93.5%	-5.5 min	0.0%
EUG–PHX	Eugene to Phoenix	31	80.6%	57.2 min	6.5%
EUG–SAN	Eugene to San Diego	31	80.6%	12.7 min	0.0%
EUG–SMF	Eugene to Sacramento	31	77.4%	2.8 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), July 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jul 2025	Minutes
Air carrier	46.3%	31.1%	6,129
Late-arriving aircraft	34.9%	40.8%	4,611
National Aviation System	17.0%	20.7%	2,254
Extreme weather	1.5%	7.3%	197
Security	0.3%	0.1%	34

13,225 delay minutes on 159 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 July 2025?

79.6% of 776 scheduled domestic departures left less than 15 minutes late, and 78.5% reached their destination on time. The national figures that month were 69.7% and 69.0%.

How does that compare with a year earlier?

In July 2024, 80.3% of 639 departures left on time and 0.6% were cancelled, against 79.6% and 0.5% in July 2025.

Provenance

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