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

San Jose → New York via Atlanta: arrives on time 60%

  1. 06:35 SJC → 14:14 ATL
    DL 654 · Delta · 4h 39m · 94% on time, 1.7% cancelled
  2. 3h 46m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 18:00 ATL → 20:27 LGA
    DL 434 · Delta · 2h 27m · 64% on time, 2.9% cancelled

Total trip 10h 52m, scheduled departure to arrival (New York is 3 h ahead of San Jose). Times are local. Both flew on 49 of the last 56 days.

Makes the connection99%The first flight arrived more than 181 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 46m layover.
Arrives on time60%First flight not cancelled (1.7% are) × connection made (99%) × second flight not cancelled (2.9% are) and within 15 minutes (64%).
Total trip10h 52mSJC 06:35 to LGA 20:27, 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.