Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Seattle → Baltimore via San Francisco: arrives on time 31%
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19:05 SEA → 21:21 SFOUA 2241 · United · 2h 16m · 22% on time, 2.7% cancelled
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1h 19m 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 9h 05m, scheduled departure to arrival (Baltimore is 3 h ahead of Seattle). Times are local. Both flew on 27 of the last 56 days.
Makes the connection38%The first flight arrived more than 34 minutes late on 62% of the days it flew: too late for the 45-minute minimum connection on a 1h 19m layover.
Arrives on time31%First flight not cancelled (2.7% are) × connection made (38%) × second flight not cancelled (1.3% are) and within 15 minutes (86%).
Total trip9h 05mSEA 19:05 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.