Boston (BOS) to Dallas (DAL): On-Time Performance
Data through July 2026
Boston (BOS) to Dallas (DAL) is a thinner route than most in this dataset — 260 departures over the past year, roughly 5 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 55% arrived on time, noticeably below the national average of 78%.
- On-time
- 55%
- arrived <15 min late
- Avg delay
- 30 min
- completed flights
- Cancelled
- 0.6%
- Flights/day
- 0.71
- last 12 months
- Duration
- 4h 8m
- scheduled
- Distance
- 1,554 mi
Monthly on-time trend
Best time to fly from BOS to DAL
Aim for departures around 10 a.m. (97% on-time); avoid 5 p.m. departures (36%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 53% | 23 min |
| Tuesday | 37% | 42 min |
| Wednesday | 32% | 37 min |
| Thursday | 51% | 45 min |
| Fridaybest | 67% | 20 min |
| Saturday | 64% | 23 min |
| Sunday | 62% | 27 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft60%
- Airline operations20%
- National airspace system18%
- Weather3%
Frequently asked questions
- How often are flights from BOS to DAL delayed?
- 45% of BOS–DAL 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 30 minutes.
- What is the best time of day to fly from BOS to DAL?
- Departures around 10 a.m. have the best record (97% on-time), while departures around 5 p.m. have the worst (36%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BOS to DAL?
- The scheduled BOS–DAL flight time averages 4h 8m over 1,554 miles. Actual arrival times vary — flights on this route land 15+ minutes late 45% of the time.
- How often are BOS to DAL flights cancelled?
- 0.6% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What day of the week is most reliable for BOS to DAL?
- Friday flights have the best record at 67% on-time. Day-of-week differences on this route are meaningful — Wednesday trails at 32%.
Explore related pages
More routes from BOS
Other ways to fly to Dallas (DAL)
Related guides
Based on 355 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.