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Airport Reliability

BIS · Bismarck/Mandan

Bismarck/Mandan, ND (BIS)

81%
Departures within 15 minutes
14 min
Average departure delay
80%
Arrivals within 15 minutes
0.8%
Departures cancelled

Based on 4,657 departures and 4,656 arrivals. Data through May 2026.

What the data says

Morning flights do better here.

Departures from BIS departing between 3–6 AM arrived on time 88% of the time, versus 68% between 9 PM–12 AM.

Tuesday comes out ahead.

A small edge: 81% on time on Tuesdays against 78% on Mondays.

Ticking up lately.

Departures from BIS arrived on time 81% of the time over the last three months in the data, compared with 75% in the three months before that.

When BIS gets messy

On-time by departure window
  • 3–6 AM88%(484 flights)
  • 6–9 AM84%(1029 flights)
  • 9 AM–12 PM81%(766 flights)
  • 12–3 PM78%(1406 flights)
  • 3–6 PM72%(716 flights)
  • 6–9 PM71%(123 flights)
  • 9 PM–12 AM68%(74 flights)
On-time by weekday
  • Mon78%(672 flights)
  • Tue81%(633 flights)
  • Wed81%(666 flights)
  • Thu80%(676 flights)
  • Fri80%(667 flights)
  • Sat79%(592 flights)
  • Sun79%(692 flights)
On-time trend by month
83%
May

Jun 77% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%402
July 202575%409
August 202579%408
September 202586%390
October 202587%391
November 202582%369
December 202565%394
January 202678%351
February 202684%334
March 202680%380
April 202679%386
May 202683%384

Airlines departing BIS

Busiest routes from BIS

Based on 4,657 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.