Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Diego → Baltimore via San Francisco: arrives on time 36%
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19:41 SAN → 21:28 SFOUA 2278 · United · 1h 47m · 37% on time, 0.8% cancelled
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1h 12m layover in San Francisco (SFO) · 45 min minimum on one ticket
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22:40 SFO → 07:10 BWI +1 dayUA 1340 · United · 5h 30m · 86% on time, 1.3% cancelled
Total trip 8h 29m, scheduled departure to arrival (Baltimore is 3 h ahead of San Diego). Times are local. Both flew on 34 of the last 56 days.
Makes the connection43%The first flight arrived more than 27 minutes late on 57% of the days it flew: too late for the 45-minute minimum connection on a 1h 12m layover.
Arrives on time36%First flight not cancelled (0.8% are) × connection made (43%) × second flight not cancelled (1.3% are) and within 15 minutes (86%).
Total trip8h 29mSAN 19:41 to BWI 07:10, 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.