Historical on-time performance
Denver to Bismarck
517 miData through Dec 2025Source: US DOT · BTS
Flights on DEN–BIS arrive on time 72% of the time over the last 12 months.
On-time rate72%arrived within 15 min
p90 delay70 min1 in 10 flights is worse (tail risk)
Cancelled1.3%of scheduled flights
based on 1,565 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time72%Medianon timep9070 minCancel1.3%Flights1,565
Why flights run late
Delay causes
- Airline31%
- Weather10%
- Air traffic (NAS)24%
- Late aircraft35%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly DEN → BIS
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 67% to 84% on time.
- Mornings84% on time · p90 25 min · 479 flights
- Middays81% on time · p90 40 min · 1,824 flights
- Overnights74% on time · p90 55 min · 580 flights
- Evenings67% on time · p90 80 min · 1,092 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 81% on time.
- Wednesdays81% on time · p90 40 min · 574 flights
- Tuesdays79% on time · p90 40 min · 572 flights
- Saturdays79% on time · p90 50 min · 552 flights
- Fridays76% on time · p90 55 min · 569 flights
- Thursdays74% on time · p90 45 min · 563 flights
- Sundays73% on time · p90 55 min · 573 flights
- Mondays73% on time · p90 60 min · 572 flights
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