Bismarck Municipal in September 2023

84.8%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 283 domestic departures from Bismarck Municipal (BIS). 84.8% left less than 15 minutes late and 85.9% reached their destination on time; 0.4% were cancelled.

Nationally that month, 80.5% of flights departed on time and 80.1% arrived on time, so BIS departures were 4.3 points above the national departure figure.

Flights arriving at BIS that month were on time 83.5% of the time (284 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 45%, national aviation system 25% and late-arriving aircraft 18%.

On time 85.9%
Arrived 15+ minutes late 13.8%
Cancelled 0.4%
Diverted 0.0%

Every scheduled departure from BIS 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	BIS, 12 months to Jul 2026	All reported flights, Sep 2023
Departed on time	84.8%	—	81.5%	80.5%
Arrived on time	85.9%	—	79.5%	80.1%
Cancelled	0.4%	—	0.7%	1.2%
Average departure delay (late minutes only)	13.4 min	—	18.7 min	14.1 min
Scheduled departures a day	9	—	11	18,978
Scheduled departures	283	—	3,874	569,338

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	178	63%	87.6%	-2.5 min	0.0%
MQ Envoy Air	54	19%	83.3%	3.9 min	0.0%
DL Delta Air Lines	30	11%	83.3%	4.2 min	3.3%
G4 Allegiant Air	21	7%	81.0%	5.7 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BIS–MSP	Bismarck/Mandan to Minneapolis	118	87.3%	-1.1 min	0.8%
BIS–DEN	Bismarck/Mandan to Denver	90	86.7%	-2.2 min	0.0%
BIS–DFW	Bismarck/Mandan to Dallas/Fort Worth	54	83.3%	3.9 min	0.0%
BIS–AZA	Bismarck/Mandan to Phoenix	13	76.9%	12.5 min	0.0%
BIS–LAS	Bismarck/Mandan to Las Vegas	8	87.5%	-5.4 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	45.0%	36.4%	1,483
Late-arriving aircraft	17.6%	38.3%	582
National Aviation System	25.3%	19.9%	836
Extreme weather	12.1%	5.1%	398
Security	0.0%	0.2%	0

3,299 delay minutes on 39 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 BIS on time in September 2023?

84.8% of 283 scheduled domestic departures left less than 15 minutes late, and 85.9% 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 BIS · methodology · corrections.