Shanghai to Boston via Seattle

3 connections on the timetable in the last 7 days, each with its time between the gates on up to 10 days, to Thu 5 Nov. Find yours by its times.

Seattle’s board gives a departure time for only about 55% of its flights, so many days show no gate time.

Between the gates, a bar a day, oldest to latestTimetable

1. 1 h 40 apart DL 280 arrives 12:00 → DL 438 leaves 13:40 Between the gates: −1 h 58 to 2 h 32, typically 1 h 23
2. 3 h 30 apart DL 280 arrives 12:00 → DL 474 leaves 15:30 Between the gates: 1 h 59 to 4 h 24, typically 2 h 46

Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.