Bismarck/Mandan (BIS) departure delays
3,909 departures · 7 routes · January 2025 – August 2026
81.26%
Left on time
Within 15 minutes of schedule
0.74%
Cancelled
Share of departures
103 min
When late, late by
Average delayed departure
#57
Rank
Among graded US airports
What the record says about BIS
BIS runs about as well as the average airport here.
The airlines flying from here are not equally affected. Delta Air Lines left on time 10 points more often than Allegiant Air from the same airport — which is the clearest evidence available that a delayed departure is not purely the airport's fault.
Which airlines run best out of BIS
| Airline | Departures | On time |
|---|---|---|
| Delta Air Lines | 400 | 81.9% |
| SkyWest Airlines | 2,134 | 80.3% |
| Envoy Air | 997 | 79.2% |
| Allegiant Air | 378 | 71.9% |
Routes out of BIS
Common questions
How bad are delays at Bismarck/Mandan (BIS)?
81.26% of departures from BIS left within 15 minutes of schedule across 3,909 flights. That is better than most airports in this record.
Which airline is most punctual from BIS?
Delta Air Lines, at 81.9% on time from this airport. The least punctual was Allegiant Air at 71.9%.
How often are flights from BIS cancelled?
0.74% of scheduled departures did not operate.