Mahlon Sweet Field in June 2026

70.7%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 2026, reporting carriers scheduled 839 domestic departures from Mahlon Sweet Field (EUG). 70.7% left less than 15 minutes late and 73.1% reached their destination on time; 0.0% were cancelled.

Nationally that month, 72.2% of flights departed on time and 72.8% arrived on time, so EUG departures were 1.5 points below the national departure figure.

A year earlier, in June 2025, the airport had 749 departures with 75.7% leaving on time: a change of −5.0 points, with flights up 12%.

Flights arriving at EUG that month were on time 72.5% of the time (839 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 36%, late-arriving aircraft 33% and national aviation system 28%.

On time 73.1%
Arrived 15+ minutes late 26.6%
Cancelled 0.0%
Diverted 0.4%

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

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

Measure	Jun 2026	Jun 2025	EUG, 12 months to Jul 2026	All reported flights, Jun 2026
Departed on time	70.7%	75.7%	82.3%	72.2%
Arrived on time	73.1%	74.5%	82.0%	72.8%
Cancelled	0.0%	0.1%	0.7%	1.6%
Average departure delay (late minutes only)	20.5 min	17.2 min	13.7 min	20.6 min
Scheduled departures a day	28	25	24	20,253
Scheduled departures	839	749	8,899	607,577

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	424	51%	80.9%	5.8 min	0.0%
WN Southwest Airlines	178	21%	61.8%	16.8 min	0.0%
UA United Airlines	150	18%	62.7%	21.7 min	0.0%
MQ Envoy Air	60	7%	91.7%	-8.3 min	0.0%
G4 Allegiant Air	27	3%	40.7%	62.4 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
EUG–SEA	Eugene to Seattle	156	82.7%	6.2 min	0.0%
EUG–DEN	Eugene to Denver	120	70.8%	9.7 min	0.0%
EUG–SFO	Eugene to San Francisco	89	46.1%	32.7 min	0.0%
EUG–SAN	Eugene to San Diego	79	65.8%	7.4 min	0.0%
EUG–SLC	Eugene to Salt Lake City	69	92.8%	-6.9 min	0.0%
EUG–PHX	Eugene to Phoenix	60	91.7%	-8.3 min	0.0%
EUG–PDX	Eugene to Portland	59	89.8%	8.0 min	0.0%
EUG–LAS	Eugene to Las Vegas	38	31.6%	60.0 min	0.0%
EUG–BUR	Eugene to Burbank	30	83.3%	2.2 min	0.0%
EUG–LAX	Eugene to Los Angeles	30	93.3%	-12.1 min	0.0%
EUG–ORD	Eugene to Chicago	30	40.0%	56.0 min	0.0%
EUG–SJC	Eugene to San Jose	30	70.0%	20.7 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), June 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2026	Minutes
Air carrier	35.8%	30.8%	5,415
Late-arriving aircraft	32.6%	42.1%	4,923
National Aviation System	28.4%	20.3%	4,291
Extreme weather	3.2%	6.7%	482
Security	0.0%	0.1%	4

15,115 delay minutes on 223 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 2026?

70.7% of 839 scheduled domestic departures left less than 15 minutes late, and 73.1% reached their destination on time. The national figures that month were 72.2% and 72.8%.

How does that compare with a year earlier?

In June 2025, 75.7% of 749 departures left on time and 0.1% were cancelled, against 70.7% and 0.0% in June 2026.

Provenance

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