Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Salt Lake City → Ontario via Seattle: arrives on time 85%
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11:35 SLC → 12:52 SEADL 2995 · Delta · 2h 17m · 89% on time, 0.5% cancelled
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1h 43m layover in Seattle (SEA) · 45 min minimum on one ticket
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14:35 SEA → 17:19 ONTDL 4031 · Delta, flown by SkyWest · 2h 44m · 88% on time, 0.3% cancelled
Total trip 6h 44m, scheduled departure to arrival (Ontario is 1 h behind Salt Lake City). Times are local. Both flew on 55 of the last 56 days.
Makes the connection97%The first flight arrived more than 58 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 1h 43m layover.
Arrives on time85%First flight not cancelled (0.5% are) × connection made (97%) × second flight not cancelled (0.3% are) and within 15 minutes (88%).
Total trip6h 44mSLC 11:35 to ONT 17:19, 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.