Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

San Francisco → New York via Chicago: arrives on time 84%

  1. 23:30 SFO → 05:57 ORD
    UA 368 · United · 4h 27m · 86% on time, 1.4% cancelled
  2. 3h 38m layover in Chicago (ORD) · 90 min minimum on separate tickets
  3. 09:35 ORD → 12:56 LGA +1 day
    DL 2252 · Delta · 2h 21m · 90% on time, 5.6% cancelled

Total trip 10h 26m, scheduled departure to arrival (New York is 3 h ahead of San Francisco). Times are local. Both flew on 54 of the last 56 days.

Makes the connection100%The first flight arrived more than 128 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 3h 38m layover.
Arrives on time84%First flight not cancelled (1.4% are) × connection made (100%) × second flight not cancelled (5.6% are) and within 15 minutes (90%).
Total trip10h 26mSFO 23:30 to LGA 12:56, 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.