How delayed is Bismarck/Mandan, ND (BIS)?

Bismarck/Mandan, ND has an on-time rate of 81.1%. The average delay is 16.6 min.

What causes delays at BIS?

The main delay causes at BIS are carrier issues (52.5%), weather (11.3%), NAS/air traffic control (14.3%), and late arriving aircraft (21.3%).

What is the best time to fly from BIS?

The best time to fly from BIS is at 5:00 with a 87.1% on-time rate. Sep is the best month with 87.1% on-time flights.

Bismarck/Mandan, ND

Bismarck/Mandan, ND, ND — BIS

On-Time Rate

81.1%

2019-2025

Avg Delay

16.6 min

when delayed

Cancel Rate

2.1%

flights cancelled

Total Flights

26,586

2019-2025

Best Month

Sep

87.1% on-time

Worst Month

Dec

73.5% on-time

Best Departure Time

5:00

87.1% on-time

12-Month On-Time Trend

Delay Causes

Best Time to Fly (By Hour)

Seasonal Pattern

Airlines at BIS

Airline	Flights	On-Time
SkyWest Airlines	17,370	82.0%
Allegiant Air	2,915	72.8%
Envoy Air	1,891	77.4%
Delta Air Lines	1,859	87.4%
Endeavor Air	1,410	89.4%
Mesa Airlines	841	73.2%
Frontier Airlines	276	80.8%
EV	24	66.7%

Most Delayed Routes

Destination	On-Time
BIS → SFBSanford, FL	67.9%
BIS → LASLas Vegas, NV	71.7%
BIS → AZAPhoenix, AZ	73.9%
BIS → ORDChicago, IL	76.1%
BIS → DFWDallas/Fort Worth, TX	76.6%

Most Punctual Routes

Destination	On-Time
BIS → MSPMinneapolis, MN	86.9%
BIS → PHXPhoenix, AZ	84.1%
BIS → DENDenver, CO	78.7%
BIS → DFWDallas/Fort Worth, TX	76.6%
BIS → ORDChicago, IL	76.1%

Was your flight from Bismarck/Mandan, ND delayed?

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Data source: Bureau of Transportation Statistics (BTS) On-Time Performance dataset. Statistics are based on reported flight data from 2019-2025. See our data methodology for details.