Slough to Marylebone train times
Trains run every 20 minutes between Slough and Marylebone. The earliest departure is at 4:59 AM at night, and the last departure from Slough is at 11:42 PM which arrives into Marylebone at 12:27 AM. All services require a transfer at London Paddington and take an average of 37 min. The schedules shown below are for the next available departures.
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40 min • 1 change
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Arrives next day
35 min • 1 change
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Arrives next day
45 min • 1 change
Departing Saturday, June 20, 2026
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41 min • 1 change
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42 min • 1 change
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28 min • 1 change
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42 min • 1 change
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Departing Sunday, June 21, 2026
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50 min • 1 change
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41 min • 1 change
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41 min • 1 change
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33 min • 1 change
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