Mahlon Sweet Field in April 2025

86.0%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 April 2025, reporting carriers scheduled 630 domestic departures from Mahlon Sweet Field (EUG). 86.0% left less than 15 minutes late and 85.7% reached their destination on time; 0.5% were cancelled.

Nationally that month, 80.6% of flights departed on time and 79.5% arrived on time, so EUG departures were 5.4 points above the national departure figure.

A year earlier, in April 2024, the airport had 595 departures with 85.9% leaving on time: a change of +0.1 points, with flights up 6%.

Flights arriving at EUG that month were on time 82.2% of the time (629 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 51%, national aviation system 26% and late-arriving aircraft 23%.

On time 85.7%
Arrived 15+ minutes late 13.8%
Cancelled 0.5%
Diverted 0.0%

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

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

Measure	Apr 2025	Apr 2024	EUG, 12 months to Jul 2026	All reported flights, Apr 2025
Departed on time	86.0%	85.9%	82.3%	80.6%
Arrived on time	85.7%	86.1%	82.0%	79.5%
Cancelled	0.5%	0.0%	0.7%	0.8%
Average departure delay (late minutes only)	12.0 min	9.8 min	13.7 min	14.1 min
Scheduled departures a day	21	20	24	19,465
Scheduled departures	630	595	8,899	583,950

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	258	41%	92.6%	-2.8 min	0.0%
UA United Airlines	120	19%	82.5%	5.0 min	0.0%
WN Southwest Airlines	106	17%	84.0%	1.4 min	0.0%
AA American Airlines	87	14%	80.5%	1.4 min	2.3%
AS Alaska Airlines	30	5%	83.3%	-0.7 min	0.0%
G4 Allegiant Air	26	4%	57.7%	67.0 min	3.8%
MQ Envoy Air	3	0%	100.0%	-22.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
EUG–SEA	Eugene to Seattle	159	90.6%	-3.7 min	0.0%
EUG–SFO	Eugene to San Francisco	81	82.7%	9.0 min	0.0%
EUG–DEN	Eugene to Denver	60	81.7%	2.2 min	0.0%
EUG–PHX	Eugene to Phoenix	60	86.7%	-4.4 min	1.7%
EUG–SLC	Eugene to Salt Lake City	60	93.3%	-3.7 min	0.0%
EUG–LAX	Eugene to Los Angeles	39	100.0%	-6.0 min	0.0%
EUG–LAS	Eugene to Las Vegas	38	65.8%	14.6 min	0.0%
EUG–DFW	Eugene to Dallas/Fort Worth	30	70.0%	10.8 min	3.3%
EUG–OAK	Eugene to Oakland	30	100.0%	-9.9 min	0.0%
EUG–SMF	Eugene to Sacramento	30	93.3%	-1.9 min	0.0%
EUG–SJC	Eugene to San Jose	16	75.0%	6.8 min	0.0%
EUG–SNA	Eugene to Santa Ana	10	30.0%	158.4 min	10.0%

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), April 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Apr 2025	Minutes
Air carrier	50.9%	32.7%	3,610
Late-arriving aircraft	22.9%	39.4%	1,621
National Aviation System	25.8%	22.2%	1,832
Extreme weather	0.3%	5.5%	21
Security	0.1%	0.2%	5

7,089 delay minutes on 87 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 April 2025?

86.0% of 630 scheduled domestic departures left less than 15 minutes late, and 85.7% reached their destination on time. The national figures that month were 80.6% and 79.5%.

How does that compare with a year earlier?

In April 2024, 85.9% of 595 departures left on time and 0.0% were cancelled, against 86.0% and 0.5% in April 2025.

Provenance

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