Route reliability
Dallas/Fort Worth (DFW) to Boston (BOS): which airline is most on time?
On-time arrivals, cancellations and long delays for every airline that reported nonstop flights from Dallas/Fort Worth, TX (DFW) to Boston, MA (BOS), September 2025 to August 2026.
Dallas/Fort Worth, TXBoston, MA
Route at a glance · September 2025 to August 2026
DFW to BOS
Dallas/Fort Worth, TX to Boston, MA
- On time
- 65.0%vs 75.6% U.S. average Worse than average
- Cancelled
- 3.1%vs 1.9% U.S. average Worse than average
- 60+ min late
- 13.1%vs 8.1% U.S. average Worse than average
- Scheduled flights
- 3,695in 12 months3 airlines
- Most reliable airline
- Delta Air Lines74.1% on time · 868 flights
On time less often than the U.S. average, with more cancellations.
Airlines on this route
Ranked by on-time arrival
| Airline | On time | Cancelled | 60+ min late | Avg delay when late | Diverted | Flights |
|---|---|---|---|---|---|---|
| 1. Delta Air Lines Most reliable | 74.1% | 2.4% | 9.2% | 86 min | 0.3% | 868 |
| 2. American Airlines | 62.6% | 3.3% | 13.7% | 69 min | 0.2% | 2,658 |
| 3. JetBlue Airways Small sample (under 300 flights) | 54.4% | 4.1% | 23.1% | 84 min | 0.6% | 169 |
On time = arrived within 15 minutes of schedule. Avg delay when late = average arrival delay of flights 15+ minutes late. "Most reliable" needs at least 300 flights in 12 months. Tap a heading to sort.
What this means
Delta Air Lines has the strongest record on this route.
- Delta Air Lines had the best on-time record from Dallas/Fort Worth (DFW) to Boston (BOS): 74.1% of its 868 scheduled flights arrived within 15 minutes of schedule, compared with 62.6% for American Airlines.
- 3.1% of flights on this route were cancelled (about 1 in 32), 1.2 points higher than the U.S. average of 1.9%.
- 13.1% of flights, about 1 in 8, arrived an hour or more late. When a flight was late (15+ minutes), the average arrival delay was 73 min.
- Overall, 65.0% of flights on this route arrived on time, 10.6 points lower than the U.S. average of 75.6%.
- Over the last 3 years, November was the most reliable month on this route (78.8% on time) and July the least reliable (59.2%).
- Cancellations peaked in January, when 6.0% of flights were cancelled.
- Flights scheduled to depart 7 am to 8 am were the most punctual (85.0% on time); flights scheduled to depart 3 pm to 4 pm were the least (45.3%).
- In the other direction, Boston (BOS) to Dallas/Fort Worth (DFW), 74.4% of flights were on time and 3.1% were cancelled. Compare airlines BOS to DFW.
Best and worst months to fly DFW to BOS
Share of scheduled flights on time 12-month average 65.0%
Show as table
| Period | On time | Flights |
|---|---|---|
| January | 68.8% | 862 |
| February | 76.5% | 799 |
| March | 72.8% | 892 |
| April | 68.6% | 919 |
| May | 63.1% | 1,087 |
| June | 60.7% | 1,077 |
| July | 59.2% | 1,108 |
| August | 67.4% | 1,054 |
| September | 67.1% | 972 |
| October | 72.4% | 1,093 |
| November | 78.8% | 935 |
| December | 73.1% | 878 |
| Airline | Best month | Worst month |
|---|---|---|
| Delta Air Lines | November (85.6%) | July (67.8%) |
| American Airlines | November (78.7%) | June (54.5%) |
| JetBlue Airways | February (67.6%) | July (40.3%) |
Month by month, last 12 months
Share of scheduled flights on time U.S. average 75.6%
Show as table
| Period | On time | Flights |
|---|---|---|
| Sep 2025 | 53.0% | 313 |
| Oct 2025 | 49.1% | 350 |
| Nov 2025 | 72.6% | 292 |
| Dec 2025 | 75.2% | 290 |
| Jan 2026 | 66.3% | 288 |
| Feb 2026 | 71.3% | 261 |
| Mar 2026 | 76.6% | 273 |
| Apr 2026 | 72.8% | 302 |
| May 2026 | 70.5% | 329 |
| Jun 2026 | 58.6% | 331 |
| Jul 2026 | 54.0% | 335 |
| Aug 2026 | 66.2% | 331 |
Best and worst departure times
Share of scheduled flights on time
Show as table
| Period | On time | Flights |
|---|---|---|
| Departing 7 am to 8 am | 85.0% | 700 |
| Departing 8 am to 9 am | 75.4% | 272 |
| Departing 9 am to 10 am | 77.9% | 122 |
| Departing 10 am to 11 am | 68.3% | 353 |
| Departing 11 am to noon | 59.6% | 188 |
| Departing noon to 1 pm | 58.1% | 496 |
| Departing 1 pm to 2 pm | Insufficient sample | 27 |
| Departing 2 pm to 3 pm | 48.0% | 125 |
| Departing 3 pm to 4 pm | 45.3% | 128 |
| Departing 4 pm to 5 pm | 51.7% | 261 |
| Departing 5 pm to 6 pm | 59.3% | 405 |
| Departing 6 pm to 7 pm | 60.1% | 386 |
| Departing 7 pm to 8 pm | 51.7% | 232 |

Sources & data dates
- Source
- U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
- Period
- September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
- Data through
- August 2026
- Processed
- 2026-11-03
- Scope
- Nonstop scheduled flights from Dallas/Fort Worth, TX (DFW) to Boston, MA (BOS), one direction. Airlines that report to the DOT only.
- Method
- Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.