Route reliability
Boston (BOS) to Dallas/Fort Worth (DFW): which airline is most on time?
On-time arrivals, cancellations and long delays for every airline that reported nonstop flights from Boston, MA (BOS) to Dallas/Fort Worth, TX (DFW), September 2025 to August 2026.
Boston, MADallas/Fort Worth, TX
Route at a glance · September 2025 to August 2026
BOS to DFW
Boston, MA to Dallas/Fort Worth, TX
- On time
- 74.4%vs 75.6% U.S. average About average
- Cancelled
- 3.1%vs 1.9% U.S. average Worse than average
- 60+ min late
- 9.6%vs 8.1% U.S. average Worse than average
- Scheduled flights
- 3,692in 12 months4 airlines
- Most reliable airline
- American Airlines75.7% on time · 2,653 flights
On time about as often as 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. American Airlines Most reliable | 75.7% | 3.3% | 8.6% | 94 min | 0.7% | 2,653 |
| 2. JetBlue Airways Small sample (under 300 flights) | 75.7% | 4.1% | 7.7% | 69 min | 0.6% | 169 |
| 3. Delta Air Lines | 70.4% | 2.2% | 12.8% | 77 min | 0.9% | 868 |
| Spirit Airlines | Insufficient sample (fewer than 50 flights) | 2 | ||||
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
American Airlines has the strongest record on this route.
- American Airlines had the best on-time record from Boston (BOS) to Dallas/Fort Worth (DFW): 75.7% of its 2,653 scheduled flights arrived within 15 minutes of schedule, compared with 70.4% for Delta Air Lines.
- Spirit Airlines also flew this route but with fewer than 50 reported flights, too few to rate.
- 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%.
- 9.6% of flights, about 1 in 10, arrived an hour or more late. When a flight was late (15+ minutes), the average arrival delay was 88 min.
- Overall, 74.4% of flights on this route arrived on time, 1.2 points lower than the U.S. average of 75.6%.
- Over the last 3 years, March was the most reliable month on this route (80.8% on time) and May the least reliable (67.0%).
- Cancellations peaked in January, when 5.8% of flights were cancelled.
- Flights scheduled to depart before 6 am were the most punctual (88.4% on time); flights scheduled to depart 5 pm to 6 pm were the least (56.5%).
- In the other direction, Dallas/Fort Worth (DFW) to Boston (BOS), 65.0% of flights were on time and 3.1% were cancelled. Compare airlines DFW to BOS.
Best and worst months to fly BOS to DFW
Share of scheduled flights on time 12-month average 74.4%
Show as table
| Period | On time | Flights |
|---|---|---|
| January | 68.7% | 862 |
| February | 79.3% | 796 |
| March | 80.8% | 892 |
| April | 73.5% | 918 |
| May | 67.0% | 1,089 |
| June | 69.6% | 1,074 |
| July | 70.5% | 1,109 |
| August | 76.3% | 1,052 |
| September | 74.9% | 972 |
| October | 79.3% | 1,094 |
| November | 79.8% | 935 |
| December | 78.2% | 881 |
| Airline | Best month | Worst month |
|---|---|---|
| American Airlines | November (83.1%) | May (68.8%) |
| JetBlue Airways | October (78.5%) | June (56.7%) |
| Delta Air Lines | March (85.9%) | May (63.8%) |
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 | 68.7% | 313 |
| Oct 2025 | 74.7% | 352 |
| Nov 2025 | 75.3% | 292 |
| Dec 2025 | 70.7% | 290 |
| Jan 2026 | 68.6% | 287 |
| Feb 2026 | 76.1% | 259 |
| Mar 2026 | 82.4% | 273 |
| Apr 2026 | 79.8% | 302 |
| May 2026 | 72.9% | 328 |
| Jun 2026 | 66.4% | 330 |
| Jul 2026 | 78.2% | 335 |
| Aug 2026 | 79.8% | 331 |
Best and worst departure times
Share of scheduled flights on time
Show as table
| Period | On time | Flights |
|---|---|---|
| Departing before 6 am | 88.4% | 173 |
| Departing 6 am to 7 am | 86.0% | 272 |
| Departing 7 am to 8 am | 80.5% | 673 |
| Departing 8 am to 9 am | 82.1% | 403 |
| Departing 9 am to 10 am | 79.9% | 144 |
| Departing 10 am to 11 am | 79.5% | 166 |
| Departing 11 am to noon | 78.1% | 64 |
| Departing noon to 1 pm | 72.3% | 271 |
| Departing 1 pm to 2 pm | Insufficient sample | 49 |
| Departing 2 pm to 3 pm | 68.8% | 448 |
| Departing 3 pm to 4 pm | 57.9% | 107 |
| Departing 4 pm to 5 pm | 67.3% | 309 |
| Departing 5 pm to 6 pm | 56.5% | 115 |
| Departing 6 pm to 7 pm | 65.5% | 333 |
| Departing 7 pm to 8 pm | 58.5% | 142 |
| Departing 8 pm to 9 pm | Insufficient sample | 22 |
| Departing 9 pm to 10 pm | Insufficient sample | 1 |
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 Boston, MA (BOS) to Dallas/Fort Worth, TX (DFW), 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.