Duluth International in September 2023

84.6%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 September 2023, reporting carriers scheduled 195 domestic departures from Duluth International (DLH). 84.6% left less than 15 minutes late and 83.6% reached their destination on time; 0.0% were cancelled.

Nationally that month, 80.5% of flights departed on time and 80.1% arrived on time, so DLH departures were 4.1 points above the national departure figure.

Flights arriving at DLH that month were on time 79.0% of the time (195 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 54%, extreme weather 24% and late-arriving aircraft 18%.

On time 83.6%
Arrived 15+ minutes late 16.4%
Cancelled 0.0%
Diverted 0.0%

Every scheduled departure from DLH in September 2023, judged by arrival at the destination.

September 2023 against a year earlier, the airport's year and the nation

Measure	Sep 2023	Year earlier	DLH, 12 months to Jul 2026	All reported flights, Sep 2023
Departed on time	84.6%	—	76.9%	80.5%
Arrived on time	83.6%	—	72.7%	80.1%
Cancelled	0.0%	—	3.6%	1.2%
Average departure delay (late minutes only)	17.4 min	—	24.5 min	14.1 min
Scheduled departures a day	7	—	7	18,978
Scheduled departures	195	—	2,429	569,338

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	181	93%	82.9%	12.0 min	0.0%
9E Endeavor Air	10	5%	100.0%	-9.4 min	0.0%
YX Republic Airline	4	2%	75.0%	29.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
DLH–ORD	Duluth to Chicago	103	80.6%	14.2 min	0.0%
DLH–MSP	Duluth to Minneapolis	92	87.0%	8.0 min	0.0%

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), September 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2023	Minutes
Air carrier	53.6%	36.4%	1,703
Late-arriving aircraft	18.0%	38.3%	571
National Aviation System	4.3%	19.9%	135
Extreme weather	24.1%	5.1%	766
Security	0.0%	0.2%	0

3,175 delay minutes on 32 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 September 2023?

84.6% of 195 scheduled domestic departures left less than 15 minutes late, and 83.6% reached their destination on time. The national figures that month were 80.5% and 80.1%.

How does that compare with a year earlier?

September 2022 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 September 2023; 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.