Bismarck Municipal in November 2025

86.4%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 November 2025, reporting carriers scheduled 280 domestic departures from Bismarck Municipal (BIS). 86.4% left less than 15 minutes late and 82.5% reached their destination on time; 1.8% were cancelled.

Nationally that month, 78.1% of flights departed on time and 77.3% arrived on time, so BIS departures were 8.3 points above the national departure figure.

A year earlier, in November 2024, the airport had 353 departures with 80.5% leaving on time: a change of +5.9 points, with flights down 21%.

Flights arriving at BIS that month were on time 86.4% of the time (280 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 56%, national aviation system 18% and extreme weather 15%.

On time 82.5%
Arrived 15+ minutes late 15.4%
Cancelled 1.8%
Diverted 0.4%

Every scheduled departure from BIS in November 2025, judged by arrival at the destination.

November 2025 against a year earlier, the airport's year and the nation

Measure	Nov 2025	Nov 2024	BIS, 12 months to Jul 2026	All reported flights, Nov 2025
Departed on time	86.4%	80.5%	81.5%	78.1%
Arrived on time	82.5%	73.9%	79.5%	77.3%
Cancelled	1.8%	0.8%	0.7%	2.5%
Average departure delay (late minutes only)	14.1 min	16.5 min	18.7 min	15.6 min
Scheduled departures a day	9	12	11	19,018
Scheduled departures	280	353	3,874	570,550

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	134	48%	86.6%	-6.8 min	3.0%
MQ Envoy Air	87	31%	82.8%	-7.0 min	1.1%
G4 Allegiant Air	30	11%	73.3%	34.3 min	0.0%
DL Delta Air Lines	29	10%	72.4%	12.2 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BIS–DEN	Bismarck/Mandan to Denver	116	86.2%	-7.8 min	2.6%
BIS–DFW	Bismarck/Mandan to Dallas/Fort Worth	59	84.7%	-10.0 min	1.7%
BIS–MSP	Bismarck/Mandan to Minneapolis	45	77.8%	8.2 min	2.2%
BIS–ORD	Bismarck/Mandan to Chicago	30	80.0%	-0.8 min	0.0%
BIS–AZA	Bismarck/Mandan to Phoenix	20	75.0%	54.2 min	0.0%
BIS–LAS	Bismarck/Mandan to Las Vegas	10	70.0%	-5.5 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), November 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Nov 2025	Minutes
Air carrier	56.0%	30.2%	2,292
Late-arriving aircraft	10.9%	38.3%	448
National Aviation System	18.4%	26.7%	753
Extreme weather	14.7%	4.6%	602
Security	0.0%	0.1%	0

4,095 delay minutes on 43 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 November 2025?

86.4% of 280 scheduled domestic departures left less than 15 minutes late, and 82.5% reached their destination on time. The national figures that month were 78.1% and 77.3%.

How does that compare with a year earlier?

In November 2024, 80.5% of 353 departures left on time and 0.8% were cancelled, against 86.4% and 1.8% in November 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for November 2025; 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.