ORIGIN AIRPORT REPORT
BIS
Bismarck/Mandan, ND (BIS) departure reliability
Of 3,909 scheduled reportable flights departing BIS, 78.3% arrived on time, 14.8% arrived at least 30 minutes late, and 0.7% were cancelled during July 2025–June 2026.
Source: U.S. Bureau of Transportation Statistics · Origin-airport cohort · Updated September 16, 2026
HISTORICAL ROUTE SIGNALGenerally reliable
78.3%arrived on time
14.8%30+ min late
0.7%cancelled
3,909scheduled flights
MOST-FLOWN DIRECTIONS
ALL ROUTES →Which route from BIS had the largest sample?
BIS to DEN was BIS's largest published route sample, with 1,502 scheduled flights and a 77.7% on-time rate during July 2025–June 2026.
BIS→DENBismarck/Mandan, ND (BIS) to Denver, CO (DEN)1,502 flights analyzedGenerally reliable77.7%on timeBIS→MSPBismarck/Mandan, ND (BIS) to Minneapolis, MN (MSP)1,028 flights analyzedLower disruption82.3%on timeBIS→DFWBismarck/Mandan, ND (BIS) to Dallas/Fort Worth, TX (DFW)727 flights analyzedGenerally reliable79.4%on timeBIS→ORDBismarck/Mandan, ND (BIS) to Chicago, IL (ORD)274 flights analyzedGenerally reliable74.1%on timeBIS→AZABismarck/Mandan, ND (BIS) to Phoenix, AZ (AZA)247 flights analyzedVariable68.8%on time
Which airline was most reliable departing BIS?
Among qualifying BIS airline departure results, Delta Air Lines had the highest on-time rate: 81.5% of 400 flights. Allegiant Air was lowest at 71.2% across 378 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| SkyWest Airlines | 2,134 | 79.2% | 15.0% | 0.7% |
| Envoy Air | 997 | 77.9% | 12.8% | 0.8% |
| Delta Air Lines | 400 | 81.5% | 13.8% | 0.2% |
| Allegiant Air | 378 | 71.2% | 19.6% | 1.1% |
Origin report, not airport-wide operations.
These figures summarize the reported scheduled passenger flights in the dataset, not every flight or every airport process.