Duluth International in March 2026

64.6%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 March 2026, reporting carriers scheduled 209 domestic departures from Duluth International (DLH). 64.6% left less than 15 minutes late and 61.2% reached their destination on time; 8.6% were cancelled.

Nationally that month, 72.8% of flights departed on time and 73.2% arrived on time, so DLH departures were 8.2 points below the national departure figure.

A year earlier, in March 2025, the airport had 195 departures with 82.6% leaving on time: a change of −18.0 points, with flights up 7%.

Flights arriving at DLH that month were on time 57.4% of the time (209 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 43%, national aviation system 26% and late-arriving aircraft 17%.

On time 61.2%
Arrived 15+ minutes late 30.1%
Cancelled 8.6%
Diverted 0.0%

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

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

Measure	Mar 2026	Mar 2025	DLH, 12 months to Jul 2026	All reported flights, Mar 2026
Departed on time	64.6%	82.6%	76.9%	72.8%
Arrived on time	61.2%	81.0%	72.7%	73.2%
Cancelled	8.6%	1.0%	3.6%	2.9%
Average departure delay (late minutes only)	40.5 min	17.3 min	24.5 min	20.3 min
Scheduled departures a day	7	7	7	20,403
Scheduled departures	209	195	2,429	612,102

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	204	98%	61.3%	37.7 min	8.8%
YX Republic Airline	5	2%	60.0%	28.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
DLH–ORD	Duluth to Chicago	110	54.5%	49.1 min	10.9%
DLH–MSP	Duluth to Minneapolis	99	68.7%	25.1 min	6.1%

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), March 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2026	Minutes
Air carrier	42.5%	33.5%	3,512
Late-arriving aircraft	17.1%	39.3%	1,409
National Aviation System	25.5%	21.0%	2,109
Extreme weather	14.9%	5.9%	1,232
Security	0.0%	0.2%	0

8,262 delay minutes on 63 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 March 2026?

64.6% of 209 scheduled domestic departures left less than 15 minutes late, and 61.2% reached their destination on time. The national figures that month were 72.8% and 73.2%.

How does that compare with a year earlier?

In March 2025, 82.6% of 195 departures left on time and 1.0% were cancelled, against 64.6% and 8.6% in March 2026.

Provenance

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