Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → New York via Dulles: arrives on time 48%
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08:10 SFO → 16:25 IADUA 1849 · United · 5h 15m · 84% on time, 1.9% cancelled
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50m layover in Dulles (IAD) · 45 min minimum on one ticket
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17:15 IAD → 18:42 LGAUA 4077 · United, flown by Mesa · 1h 27m · 77% on time, 13.9% cancelled
Total trip 7h 32m, scheduled departure to arrival (New York is 3 h ahead of San Francisco). Times are local. Both flew on 56 of the last 56 days.
Makes the connection73%The first flight arrived more than 5 minutes late on 27% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time48%First flight not cancelled (1.9% are) × connection made (73%) × second flight not cancelled (13.9% are) and within 15 minutes (77%).
Total trip7h 32mSFO 08:10 to LGA 18:42, layover included
Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.