Mahlon Sweet Field in April 2026

83.5%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 April 2026, reporting carriers scheduled 708 domestic departures from Mahlon Sweet Field (EUG). 83.5% left less than 15 minutes late and 83.6% reached their destination on time; 0.4% were cancelled.

Nationally that month, 79.1% of flights departed on time and 78.9% arrived on time, so EUG departures were 4.4 points above the national departure figure.

A year earlier, in April 2025, the airport had 630 departures with 86.0% leaving on time: a change of −2.5 points, with flights up 12%.

Flights arriving at EUG that month were on time 84.6% of the time (709 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 40%, national aviation system 28% and late-arriving aircraft 28%.

On time 83.6%
Arrived 15+ minutes late 15.8%
Cancelled 0.4%
Diverted 0.1%

Every scheduled departure from EUG in April 2026, judged by arrival at the destination.

April 2026 against a year earlier, the airport's year and the nation

Measure	Apr 2026	Apr 2025	EUG, 12 months to Jul 2026	All reported flights, Apr 2026
Departed on time	83.5%	86.0%	82.3%	79.1%
Arrived on time	83.6%	85.7%	82.0%	78.9%
Cancelled	0.4%	0.5%	0.7%	0.9%
Average departure delay (late minutes only)	14.5 min	12.0 min	13.7 min	14.5 min
Scheduled departures a day	24	21	24	19,931
Scheduled departures	708	630	8,899	597,919

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	312	44%	86.5%	1.5 min	1.0%
WN Southwest Airlines	167	24%	83.2%	3.2 min	0.0%
UA United Airlines	121	17%	76.0%	15.1 min	0.0%
AA American Airlines	52	7%	86.5%	9.3 min	0.0%
AS Alaska Airlines	30	4%	93.3%	-4.0 min	0.0%
G4 Allegiant Air	26	4%	69.2%	17.2 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
EUG–DEN	Eugene to Denver	116	82.8%	13.0 min	0.0%
EUG–SEA	Eugene to Seattle	111	95.5%	-10.5 min	0.0%
EUG–SFO	Eugene to San Francisco	90	53.3%	32.2 min	1.1%
EUG–SLC	Eugene to Salt Lake City	60	95.0%	-6.9 min	0.0%
EUG–PHX	Eugene to Phoenix	52	86.5%	9.3 min	0.0%
EUG–LAX	Eugene to Los Angeles	51	86.3%	10.7 min	0.0%
EUG–PDX	Eugene to Portland	48	87.5%	-1.6 min	4.2%
EUG–LAS	Eugene to Las Vegas	39	87.2%	-0.1 min	0.0%
EUG–SAN	Eugene to San Diego	33	90.9%	-7.5 min	0.0%
EUG–BUR	Eugene to Burbank	30	93.3%	-5.8 min	0.0%
EUG–SJC	Eugene to San Jose	30	73.3%	7.7 min	0.0%
EUG–SMF	Eugene to Sacramento	30	96.7%	-12.1 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), April 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Apr 2026	Minutes
Air carrier	39.8%	33.5%	3,761
Late-arriving aircraft	28.0%	40.4%	2,644
National Aviation System	28.1%	21.0%	2,657
Extreme weather	4.0%	5.0%	380
Security	0.0%	0.1%	0

9,442 delay minutes on 112 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 2026?

83.5% of 708 scheduled domestic departures left less than 15 minutes late, and 83.6% reached their destination on time. The national figures that month were 79.1% and 78.9%.

How does that compare with a year earlier?

In April 2025, 86.0% of 630 departures left on time and 0.5% were cancelled, against 83.5% and 0.4% in April 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for April 2026; 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.