tailodds FORECAST
Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Boston → Harrisburg via Atlanta: arrives on time 71%

  1. 16:30 BOS → 19:38 ATL
    DL 399 · Delta · 2h 59m · 70% on time, 0.4% cancelled
  2. 2h 21m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 21:59 ATL → 23:55 MDT
    DL 1283 · Delta · 1h 56m · 78% on time, 3.4% cancelled

Total trip 7h 25m, scheduled departure to arrival. Times are local. Both flew on 49 of the last 56 days.

Makes the connection94%The first flight arrived more than 96 minutes late on 6% of the days it flew: too late for the 45-minute minimum connection on a 2h 21m layover.
Arrives on time71%First flight not cancelled (0.4% are) × connection made (94%) × second flight not cancelled (3.4% are) and within 15 minutes (78%).
Total trip7h 25mBOS 16:30 to MDT 23:55, layover included

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.