Boston (BOS) to Dallas/Fort Worth (DFW): On-Time Performance
Data through July 2026
The calendar drives reliability on BOS–DFW. October 2024 flights landed on schedule 89% of the time, but May 2025 dropped to 67% — a gap of 22 points. Across the full period the route averages 76% on-time against a national 78%. Morning departures also hold up better than evening ones (84% vs 65%), which matters most in the rough months.
- On-time
- 76%
- arrived <15 min late
- Avg delay
- 19 min
- completed flights
- Cancelled
- 2.5%
- Flights/day
- 10
- last 12 months
- Duration
- 4h 27m
- scheduled
- Distance
- 1,562 mi
Best airline from BOS to DFW
5 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| American Airlinesmost reliable | 78% | 18 min | 2.7% | 5,417 |
| Delta Air Lines | 74% | 22 min | 1.8% | 1,894 |
| JetBlue Airways | 74% | 18 min | 2.1% | 577 |
| Spirit Airlines | 64% | 28 min | 0.0% | 133 |
| Frontier Airlines | 63% | 21 min | 6.0% | 117 |
Monthly on-time trend
Best time to fly from BOS to DFW
Aim for departures around 5 a.m. (92% on-time); avoid 8 p.m. departures (59%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 73% | 22 min |
| Tuesday | 78% | 16 min |
| Wednesdaybest | 78% | 16 min |
| Thursday | 76% | 19 min |
| Friday | 78% | 19 min |
| Saturday | 75% | 23 min |
| Sunday | 75% | 21 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft38%
- Airline operations35%
- National airspace system24%
- Weather3%
Frequently asked questions
- How often are flights from BOS to DFW delayed?
- 24% of BOS–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 19 minutes.
- Which airline is most reliable from BOS to DFW?
- American Airlines has the best on-time record on this route at 78%, based on 5,417 flights. 5 airlines flew BOS–DFW frequently enough to compare in this period.
- What is the best time of day to fly from BOS to DFW?
- Departures around 5 a.m. have the best record (92% on-time), while departures around 8 p.m. have the worst (59%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BOS to DFW?
- The scheduled BOS–DFW flight time averages 4h 27m over 1,562 miles. Actual arrival times vary — flights on this route land 15+ minutes late 24% of the time.
- How often are BOS to DFW flights cancelled?
- 2.5% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from BOS to DFW?
- May 2025 was the roughest month in this dataset, with only 67% of arrivals on time. The best was October 2024 at 89%. If your dates are flexible, that 22-point gap is worth planning around.
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Based on 8,138 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.