Duluth International in April 2024

92.4%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 April 2024, reporting carriers scheduled 172 domestic departures from Duluth International (DLH). 92.4% left less than 15 minutes late and 93.0% reached their destination on time; 0.0% were cancelled.

Nationally that month, 80.5% of flights departed on time and 80.2% arrived on time, so DLH departures were 11.9 points above the national departure figure.

Flights arriving at DLH that month were on time 93.0% of the time (172 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 75%, extreme weather 13% and national aviation system 9%.

On time 93.0%
Arrived 15+ minutes late 7.0%
Cancelled 0.0%
Diverted 0.0%

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

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

Measure	Apr 2024	Year earlier	DLH, 12 months to Jul 2026	All reported flights, Apr 2024
Departed on time	92.4%	—	76.9%	80.5%
Arrived on time	93.0%	—	72.7%	80.2%
Cancelled	0.0%	—	3.6%	0.7%
Average departure delay (late minutes only)	5.3 min	—	24.5 min	14.2 min
Scheduled departures a day	6	—	7	19,406
Scheduled departures	172	—	2,429	582,185

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	68	40%	89.7%	-8.8 min	0.0%
YX Republic Airline	60	35%	95.0%	-7.1 min	0.0%
9E Endeavor Air	44	26%	95.5%	-11.5 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
DLH–MSP	Duluth to Minneapolis	86	91.9%	-9.5 min	0.0%
DLH–ORD	Duluth to Chicago	86	94.2%	-8.3 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), April 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Apr 2024	Minutes
Air carrier	74.9%	33.6%	593
Late-arriving aircraft	0.0%	41.0%	0
National Aviation System	9.2%	20.0%	73
Extreme weather	12.8%	5.1%	101
Security	3.2%	0.2%	25

792 delay minutes on 12 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 April 2024?

92.4% of 172 scheduled domestic departures left less than 15 minutes late, and 93.0% reached their destination on time. The national figures that month were 80.5% and 80.2%.

How does that compare with a year earlier?

April 2023 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

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