Bismarck Municipal in September 2024

85.8%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 2024, reporting carriers scheduled 351 domestic departures from Bismarck Municipal (BIS). 85.8% left less than 15 minutes late and 86.9% reached their destination on time; 0.3% were cancelled.

Nationally that month, 84.4% of flights departed on time and 83.9% arrived on time, so BIS departures were 1.4 points above the national departure figure.

A year earlier, in September 2023, the airport had 283 departures with 84.8% leaving on time: a change of +1.0 points, with flights up 24%.

Flights arriving at BIS that month were on time 86.3% of the time (351 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 55%, national aviation system 23% and late-arriving aircraft 17%.

On time 86.9%
Arrived 15+ minutes late 12.5%
Cancelled 0.3%
Diverted 0.3%

Every scheduled departure from BIS in September 2024, judged by arrival at the destination.

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

Measure	Sep 2024	Sep 2023	BIS, 12 months to Jul 2026	All reported flights, Sep 2024
Departed on time	85.8%	84.8%	81.5%	84.4%
Arrived on time	86.9%	85.9%	79.5%	83.9%
Cancelled	0.3%	0.4%	0.7%	0.6%
Average departure delay (late minutes only)	8.5 min	13.4 min	18.7 min	10.6 min
Scheduled departures a day	12	9	11	19,421
Scheduled departures	351	283	3,874	582,622

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	206	59%	85.0%	-3.2 min	0.0%
MQ Envoy Air	60	17%	86.7%	-1.8 min	0.0%
DL Delta Air Lines	52	15%	96.2%	-14.8 min	0.0%
G4 Allegiant Air	31	9%	87.1%	-15.0 min	3.2%
9E Endeavor Air	2	1%	50.0%	-0.5 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BIS–MSP	Bismarck/Mandan to Minneapolis	140	89.3%	-7.2 min	0.0%
BIS–DEN	Bismarck/Mandan to Denver	120	84.2%	-3.4 min	0.0%
BIS–DFW	Bismarck/Mandan to Dallas/Fort Worth	60	86.7%	-1.8 min	0.0%
BIS–AZA	Bismarck/Mandan to Phoenix	13	100.0%	-14.1 min	0.0%
BIS–LAS	Bismarck/Mandan to Las Vegas	9	77.8%	-3.1 min	0.0%
BIS–PIE	Bismarck/Mandan to St. Petersburg	9	77.8%	-30.0 min	11.1%

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 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2024	Minutes
Air carrier	54.9%	38.6%	1,142
Late-arriving aircraft	16.7%	38.4%	348
National Aviation System	23.1%	18.2%	480
Extreme weather	5.3%	4.8%	111
Security	0.0%	0.1%	0

2,081 delay minutes on 44 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 2024?

85.8% of 351 scheduled domestic departures left less than 15 minutes late, and 86.9% reached their destination on time. The national figures that month were 84.4% and 83.9%.

How does that compare with a year earlier?

In September 2023, 84.8% of 283 departures left on time and 0.4% were cancelled, against 85.8% and 0.3% in September 2024.

Provenance

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