X21 bus: Glasgow – Paisley

McGill's Bus Service bus X21 runs between Paisley and Glasgow via Renfrew. Runs Monday to Friday. On Thursday 12 November there is one bus from Paisley, at 07:51.

Operated by McGill's Bus Service. Timetable for Thursday, 12 November 2026. Tomorrow's timetable · any day up to 60 ahead: add ?date=YYYY-MM-DD to this page's address. Plan a journey · Print this timetable

Live tracking isn't available for this service: its buses don't send their positions, so times are from the timetable.

Questions

When is the first and last X21 bus from Paisley to Glasgow?
On Thursday 12 November there is one bus, leaving Paisley at 07:51.
When is the first and last X21 bus from Glasgow to Paisley?
On Thursday 12 November there is one bus, leaving Glasgow at 17:33.
Does the X21 bus run on Sundays?
No. Runs Monday to Friday.
Where does the X21 bus stop?
Main stops from Paisley to Glasgow: Gauze Street (Paisley), Ambassador Way (Renfrew), Tirry Avenue (Renfrew), Waterloo Lane (Glasgow), Bath Street (Glasgow). The full list is in the timetable below.
Who runs the X21 bus?
McGill's Bus Service.

Paisley to Glasgow

StopJourney 1
Gauze Street, Paisley07:51
Ambassador Way, Renfrew08:06
Tirry Avenue, Renfrew08:12
Waterloo Lane, Glasgow08:31
Bath Street, Glasgow08:35

Glasgow to Paisley

StopJourney 1
Pavillion Theatre, Glasgow17:33
West Campbell Street, Glasgow17:40
Tirry Avenue, Renfrew17:55
Ambassador Way, Renfrew18:00
Old Sneddon Street, Paisley18:14

Places on this route

Timetables from the Bus Open Data Service (Department for Transport), updated Wednesday, 11 November 2026. Stop details from NaPTAN. Train timetables contain data from Network Rail, licensed under the Open Government Licence; live train times from National Rail. Times are UK local time and can change at short notice: check before you travel.

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