Bismarck/Mandan (BIS) to Dallas/Fort Worth (DFW): On-Time Performance
Data through July 2026
The calendar drives reliability on BIS–DFW. July 2026 flights landed on schedule 93% of the time, but April 2025 dropped to 63% — a gap of 31 points. Across the full period the route averages 78% on-time against a national 78%.
- On-time
- 78%
- arrived <15 min late
- Avg delay
- 16 min
- completed flights
- Cancelled
- 0.8%
- Flights/day
- 2.0
- last 12 months
- Duration
- 2h 44m
- scheduled
- Distance
- 977 mi
Monthly on-time trend
Best time to fly from BIS to DFW
Aim for departures around 1 p.m. (87% on-time); avoid 2 p.m. departures (74%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 75% | 20 min |
| Tuesday | 81% | 10 min |
| Wednesdaybest | 81% | 13 min |
| Thursday | 80% | 20 min |
| Friday | 81% | 14 min |
| Saturday | 76% | 17 min |
| Sunday | 74% | 16 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft35%
- Airline operations31%
- National airspace system24%
- Weather9%
- Security1%
Frequently asked questions
- How often are flights from BIS to DFW delayed?
- 22% of BIS–DFW flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 16 minutes.
- What is the best time of day to fly from BIS to DFW?
- Departures around 1 p.m. have the best record (87% on-time), while departures around 2 p.m. have the worst (74%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BIS to DFW?
- The scheduled BIS–DFW flight time averages 2h 44m over 977 miles. Actual arrival times vary — flights on this route land 15+ minutes late 22% of the time.
- How often are BIS to DFW flights cancelled?
- 0.8% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from BIS to DFW?
- April 2025 was the roughest month in this dataset, with only 63% of arrivals on time. The best was July 2026 at 93%. If your dates are flexible, that 31-point gap is worth planning around.
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Based on 1,516 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.