Duluth International in January 2026

61.5%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 January 2026, reporting carriers scheduled 117 domestic departures from Duluth International (DLH). 61.5% left less than 15 minutes late and 57.3% reached their destination on time; 2.6% were cancelled.

Nationally that month, 75.6% of flights departed on time and 75.3% arrived on time, so DLH departures were 14.1 points below the national departure figure.

A year earlier, in January 2025, the airport had 150 departures with 76.7% leaving on time: a change of −15.2 points, with flights down 22%.

Flights arriving at DLH that month were on time 53.4% of the time (118 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 43%, late-arriving aircraft 26% and extreme weather 25%.

On time 57.3%
Arrived 15+ minutes late 40.2%
Cancelled 2.6%
Diverted 0.0%

Every scheduled departure from DLH in January 2026, judged by arrival at the destination.

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

Measure	Jan 2026	Jan 2025	DLH, 12 months to Jul 2026	All reported flights, Jan 2026
Departed on time	61.5%	76.7%	76.9%	75.6%
Arrived on time	57.3%	80.0%	72.7%	75.3%
Cancelled	2.6%	0.7%	3.6%	4.7%
Average departure delay (late minutes only)	55.0 min	26.3 min	24.5 min	16.7 min
Scheduled departures a day	4	5	7	18,133
Scheduled departures	117	150	2,429	544,003

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	117	100%	57.3%	49.1 min	2.6%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
DLH–ORD	Duluth to Chicago	62	51.6%	42.9 min	1.6%
DLH–MSP	Duluth to Minneapolis	55	63.6%	56.3 min	3.6%

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), January 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2026	Minutes
Air carrier	42.8%	37.3%	2,721
Late-arriving aircraft	25.5%	35.0%	1,622
National Aviation System	6.9%	18.0%	441
Extreme weather	24.7%	9.6%	1,572
Security	0.0%	0.1%	0

6,356 delay minutes on 47 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 DLH on time in January 2026?

61.5% of 117 scheduled domestic departures left less than 15 minutes late, and 57.3% reached their destination on time. The national figures that month were 75.6% and 75.3%.

How does that compare with a year earlier?

In January 2025, 76.7% of 150 departures left on time and 0.7% were cancelled, against 61.5% and 2.6% in January 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for January 2026; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for DLH · methodology · corrections.