The nonstop is quickest: Delta BOS → PHX (5h 50m), on time 7 times in 10. Delta via Salt Lake City (9h 52m) is more reliable, 85%, but takes 4h 02m 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.
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 514 | BOS 17:55 | PHX 20:37 | 70% |
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 514 | BOS 17:55 | PHX 20:37 | 5h 42m | 359 | 70% | 1.1% | 53 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 | PHX | 5h 50m | 71% | 1.6% | 429 | Flying now |
Alternatives with one stop
All connections →| DeltaDetails → | BOS 09:05 → ATL 11:49DL 456 | 1h 41m Atlanta | ATL 13:30 → PHX 14:18DL 366 | 8h 13m | 97% | 78% |
| DeltaDetails → | BOS 07:15 → MSP 09:30DL 1138 | 2h 02m Minneapolis | MSP 11:32 → PHX 12:46DL 2274 | 8h 35m | 98% | 77% |
| DeltaDetails → | BOS 05:30 → DTW 07:39DL 1019 | 1h 06m Detroit | DTW 08:45 → PHX 09:56DL 1070 | 7h 26m | 95% | 74% |
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