Duluth International in August 2024

80.5%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 August 2024, reporting carriers scheduled 236 domestic departures from Duluth International (DLH). 80.5% left less than 15 minutes late and 74.6% reached their destination on time; 0.4% were cancelled.

Nationally that month, 75.4% of flights departed on time and 74.7% arrived on time, so DLH departures were 5.1 points above the national departure figure.

A year earlier, in August 2023, the airport had 216 departures with 91.2% leaving on time: a change of −10.7 points, with flights up 9%.

Flights arriving at DLH that month were on time 75.8% of the time (236 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 40%, national aviation system 27% and air carrier 24%.

On time 74.6%
Arrived 15+ minutes late 25.0%
Cancelled 0.4%
Diverted 0.0%

Every scheduled departure from DLH in August 2024, judged by arrival at the destination.

August 2024 against a year earlier, the airport's year and the nation

Measure	Aug 2024	Aug 2023	DLH, 12 months to Jul 2026	All reported flights, Aug 2024
Departed on time	80.5%	91.2%	76.9%	75.4%
Arrived on time	74.6%	92.6%	72.7%	74.7%
Cancelled	0.4%	0.5%	3.6%	2.1%
Average departure delay (late minutes only)	12.9 min	17.9 min	24.5 min	18.4 min
Scheduled departures a day	8	7	7	20,634
Scheduled departures	236	216	2,429	619,025

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	80	34%	63.7%	17.9 min	0.0%
YX Republic Airline	74	31%	89.2%	5.2 min	0.0%
9E Endeavor Air	49	21%	57.1%	12.1 min	2.0%
DL Delta Air Lines	33	14%	93.9%	-0.4 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
DLH–MSP	Duluth to Minneapolis	119	73.9%	6.4 min	0.8%
DLH–ORD	Duluth to Chicago	117	75.2%	13.9 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), August 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Aug 2024	Minutes
Air carrier	23.6%	33.8%	789
Late-arriving aircraft	39.9%	39.8%	1,334
National Aviation System	27.4%	20.4%	917
Extreme weather	9.1%	5.9%	304
Security	0.0%	0.1%	0

3,344 delay minutes on 59 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 August 2024?

80.5% of 236 scheduled domestic departures left less than 15 minutes late, and 74.6% reached their destination on time. The national figures that month were 75.4% and 74.7%.

How does that compare with a year earlier?

In August 2023, 91.2% of 216 departures left on time and 0.5% were cancelled, against 80.5% and 0.4% in August 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for August 2024; 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.