Duluth International in November 2025

73.3%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 November 2025, reporting carriers scheduled 191 domestic departures from Duluth International (DLH). 73.3% left less than 15 minutes late and 74.9% reached their destination on time; 7.3% were cancelled.

Nationally that month, 78.1% of flights departed on time and 77.3% arrived on time, so DLH departures were 4.8 points below the national departure figure.

A year earlier, in November 2024, the airport had 193 departures with 90.2% leaving on time: a change of −16.9 points, with flights down 1%.

Flights arriving at DLH that month were on time 68.2% of the time (192 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, national aviation system 49%, air carrier 23% and late-arriving aircraft 16%.

On time 74.9%
Arrived 15+ minutes late 17.3%
Cancelled 7.3%
Diverted 0.5%

Every scheduled departure from DLH in November 2025, judged by arrival at the destination.

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

Measure	Nov 2025	Nov 2024	DLH, 12 months to Jul 2026	All reported flights, Nov 2025
Departed on time	73.3%	90.2%	76.9%	78.1%
Arrived on time	74.9%	89.6%	72.7%	77.3%
Cancelled	7.3%	0.0%	3.6%	2.5%
Average departure delay (late minutes only)	19.6 min	12.8 min	24.5 min	15.6 min
Scheduled departures a day	6	6	7	19,018
Scheduled departures	191	193	2,429	570,550

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	191	100%	74.9%	7.6 min	7.3%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
DLH–MSP	Duluth to Minneapolis	102	82.4%	-5.7 min	7.8%
DLH–ORD	Duluth to Chicago	89	66.3%	22.8 min	6.7%

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), November 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Nov 2025	Minutes
Air carrier	22.6%	30.2%	807
Late-arriving aircraft	15.6%	38.3%	558
National Aviation System	49.4%	26.7%	1,763
Extreme weather	12.4%	4.6%	442
Security	0.0%	0.1%	0

3,570 delay minutes on 33 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 November 2025?

73.3% of 191 scheduled domestic departures left less than 15 minutes late, and 74.9% reached their destination on time. The national figures that month were 78.1% and 77.3%.

How does that compare with a year earlier?

In November 2024, 90.2% of 193 departures left on time and 0.0% were cancelled, against 73.3% and 7.3% in November 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for November 2025; 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.