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

Ontario → Washington via Chicago: arrives on time 59%

  1. 06:10 ONT → 12:25 ORD
    UA 2171 · United · 4h 15m · 91% on time, 5.4% cancelled
  2. 2h 35m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 15:00 ORD → 18:12 DCA
    UA 1941 · United · 2h 12m · 66% on time, 5.7% cancelled

Total trip 9h 02m, scheduled departure to arrival (Washington is 3 h ahead of Ontario). Times are local. Both flew on 32 of the last 56 days.

Makes the connection100%The first flight arrived more than 110 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 2h 35m layover.
Arrives on time59%First flight not cancelled (5.4% are) × connection made (100%) × second flight not cancelled (5.7% are) and within 15 minutes (66%).
Total trip9h 02mONT 06:10 to DCA 18:12, 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.