BIS Today
Decent day. Departures at 75%. Evening flights ran 22 points better than afternoon. Fly 6pm - 10pm if you can. That window has been running at 76%.
Pick Your Window
Through the Day
Morning started OK at 74%. Hit 33% around 2pm, peaked at 100% around 2am. Evening is thinning out and improving to 73%. A 67-point swing from best to worst today.
vs Last Week
Tracking about the same as last week. Departures at 71%, last week 73%. Arrivals down 7 points too. Sun was the worst day, Thu the best.
The Bigger Picture
BIS has been bouncing between 53% and 100%. Best day was Feb 19 at 100%. Worst was Mar 15 at 53%. The norm is 73-79%, which is just how BIS runs. Today is right in line with the average.
About BIS Delays
Bismarck Municipal Airport (BIS) is currently experiencing moderate delays with 75% on-time departures. This data updates every 5 minutes from FAA sources.
Bismarck Municipal Airport has averaged 71% on-time departures this week, making it moderately reliable. Performance varies by time of day and weather conditions.
Bismarck Municipal Airport is one of 179 FAA-monitored US airports with real-time delay tracking. Data includes departure and arrival on-time percentages, updated every 5 minutes, with historical trends available for the past 90 days.
Early morning departures from Bismarck Municipal Airport typically have the highest on-time rates. Delays tend to accumulate throughout the day as cascading effects from earlier disruptions compound. Check the 24-hour trend chart above for today's pattern.