The nonstop is quickest: Southwest BOS → DAL (4h 10m), on time barely half the time. Delta via Atlanta (6h 54m) is more reliable, 89%, but takes 2h 44m longer.
Time of day × airport
Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).
Pick an hour to see this route’s flights leaving then.
Airlines on this route
Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
| Southwest | 260 | 50% | 0.8% | 69 min |
Flights, best and worst
Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.
No flight on this route ran 150+ times in the year.
All 1 flights on this route →Nonstops by airline and airport
Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.
| Southwest | BOS | DAL | 4h 10m | 50% | 0.8% | 260 | Flying now |
Alternatives with one stop
All connections →| SouthwestDetails → | BOS 09:05 → BNA 10:45WN 724 | 1h 35m Nashville | BNA 12:20 → DAL 14:15WN 5046 | 6h 10m | 96% | 82% |
| SouthwestDetails → | BOS 05:30 → BWI 07:05WN 727 | 1h 10m Baltimore | BWI 08:15 → DAL 10:25WN 930 | 5h 55m | 95% | 79% |
| DeltaDetails → | BOS 10:20 → ATL 13:04DL 385 | 55m Atlanta | ATL 13:59 → DAL 15:03DL 512 | 5h 52m | 85% | 70% |
About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON