No clear winner: Delta’s BOS → DEN flights land within a few points of 85% on time whatever the hour.
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.
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.
| DL 499 | BOS 07:45 | DEN 10:19 | 85% |
All 1 Delta flights in the current schedule
Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.
| DL 499 | BOS 07:45 | DEN 10:19 | 4h 34m | 365 | 85% | 1.6% | 48 min |
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.
| Delta | BOS | DEN | 4h 34m | 85% | 1.6% | 372 | Flying now |
Alternatives with one stop
All connections →| DeltaDetails → | BOS 05:30 → DTW 07:39DL 1019 | 1h 01m Detroit | DTW 08:40 → DEN 09:53DL 1113 | 6h 23m | 95% | 80% |
| DeltaDetails → | BOS 09:15 → DTW 11:25DL 1748 | 1h 17m Detroit | DTW 12:42 → DEN 13:54DL 1648 | 6h 39m | 93% | 76% |
| DeltaDetails → | BOS 06:06 → JFK 07:25DL 2611 | 1h 00m New York | JFK 08:25 → DEN 10:55DL 532 | 6h 47m | 93% | 73% |
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