Bismarck Municipal in April 2024

88.9%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 279 domestic departures from Bismarck Municipal (BIS). 88.9% left less than 15 minutes late and 88.9% reached their destination on time; 0.4% were cancelled.

Nationally that month, 80.5% of flights departed on time and 80.2% arrived on time, so BIS departures were 8.4 points above the national departure figure.

Flights arriving at BIS that month were on time 85.7% of the time (280 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 51%, late-arriving aircraft 20% and national aviation system 15%.

On time 88.9%
Arrived 15+ minutes late 10.0%
Cancelled 0.4%
Diverted 0.7%

Every scheduled departure from BIS 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	BIS, 12 months to Jul 2026	All reported flights, Apr 2024
Departed on time	88.9%	—	81.5%	80.5%
Arrived on time	88.9%	—	79.5%	80.2%
Cancelled	0.4%	—	0.7%	0.7%
Average departure delay (late minutes only)	8.6 min	—	18.7 min	14.2 min
Scheduled departures a day	9	—	11	19,406
Scheduled departures	279	—	3,874	582,185

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	167	60%	87.4%	-3.0 min	0.6%
G4 Allegiant Air	43	15%	95.3%	-23.5 min	0.0%
DL Delta Air Lines	39	14%	97.4%	-10.1 min	0.0%
MQ Envoy Air	30	11%	76.7%	13.8 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BIS–MSP	Bismarck/Mandan to Minneapolis	116	94.0%	-4.7 min	0.0%
BIS–DEN	Bismarck/Mandan to Denver	90	83.3%	-3.9 min	1.1%
BIS–AZA	Bismarck/Mandan to Phoenix	30	100.0%	-29.0 min	0.0%
BIS–DFW	Bismarck/Mandan to Dallas/Fort Worth	30	76.7%	13.8 min	0.0%
BIS–LAS	Bismarck/Mandan to Las Vegas	8	87.5%	-14.9 min	0.0%
BIS–SFB	Bismarck/Mandan to Sanford	5	80.0%	-4.2 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), April 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Apr 2024	Minutes
Air carrier	50.6%	33.6%	1,060
Late-arriving aircraft	20.0%	41.0%	420
National Aviation System	14.8%	20.0%	311
Extreme weather	14.5%	5.1%	304
Security	0.0%	0.2%	0

2,095 delay minutes on 28 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 April 2024?

88.9% of 279 scheduled domestic departures left less than 15 minutes late, and 88.9% 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 BIS · methodology · corrections.