What information does RailChecker have?

Last Updated: 19/09/2025

As RailChecker has expanded, more information has been added to the app. There is a brief overview of the information RailChecker holds about rail services on the “Status” page of the RailChecker website, however it doesn’t cover in detail what information is available.

This post lists detailed information about what information is held per operator. It will be updated whenever anything changes.

* Orientations not known.

All operators

• Scheduled times.
• Forecast times.
• Actual times, where these are reported.
• Disruption information.
• Delay and cancellation reasons.
• Passing locations, where provided (not provided if service is a last minute addition).
• Train operating characteristics, where the train is scheduled more than 24 hours in advance:
  • Schedule date.
  • Operation method, where specified – with or without guard/conductor/train manager/on board supervisor.
  • Available accommodation.
  • Availability of reservations and advance fares.
  • Pathing characteristics (detailed mode only).
  • On board catering.
• Previous and next services worked by a train, except for c2c.
• Train length alterations.
• “Service full and standing” reports, where this is reported by the operator’s service controller.
• First class declassification, where this is made by the operator’s service controller.
• Catering provision alterations.

Avanti West Coast

• NEW Unit allocations
• Formation information.
  • Class 390
  • Class 221
  • Formation information is not currently being sent through.

c2c

• Unit allocations.
  • Unit numbers are not in order, and are updated every two hours.
• Formation information.
  • Class 357*
  • Class 720*
• Train length.

Caledonian Sleeper

No additional information available.

Chiltern Railways

• NEW Unit allocations
• Formation information for services on the Birmingham route only.
  • Class 68 Loco-hauled (No diagrams shown)
  • Class 168*
• Train length.

CrossCountry

• Unit allocations.
• Formation information, usually only for services originating or calling at Birmingham New Street.
  • Class 220
  • Class 221
  • Class 170

East Midlands Railway

• NEW Unit allocations

Elizabeth Line

• NEW Unit allocations
• Formation information.
  • Class 345
• Average crowding
• Live crowding

Gatwick Express

• NEW Unit allocations
• Average crowding.
• Train length.

Grand Central

• NEW Unit allocations
• Formation information.
  • Class 180

Great Northern

• NEW Unit allocations
• Formation information.
  • Class 387/379
    • Due to limitations in the data source used, it is not currently possible to differentiate between these classes of train. The positioning of the first class section within the carriage may be different than indicated on RailChecker.
  • Class 700
  • Class 717
• Average crowding.
• Train length.

Great Western Railway

• NEW Unit allocations
• Formation information.
  • Class 158
  • Class 165
  • Class 166
  • Class 387
  • Class 80x

Greater Anglia

• NEW Unit allocations
• Formation information.
  • Class 720
  • Class 745
  • Class 755
• Live crowding.
  • Only on some services operated by class 745 and class 755 trains.

Heathrow Express

• NEW Unit allocations

Hull Trains

• NEW Unit allocations
• Formation information.
  • Class 802

Island Line

No additional information available.

London North Eastern Railway

• NEW Unit allocations
• Formation information.
  • Class 91 Loco-hauled (No diagrams available)
  • Class 80x

London Overground

• Average crowding.
• Train length (sometimes).

London Underground

No additional information available.

London Underground is not officially included (yet), only services that run alongside National Rail services (e.g. Bakerloo line north of Queens Park, District line on Wimbledon branch) will show.

Merseyrail

• NEW Unit allocations

Northern

• NEW Unit allocations
• Train length.

ScotRail

• NEW Unit allocations

South Western Railway

• NEW Unit allocations
• Formation information.
  • Class 158
  • Class 159
  • Class 444
  • Class 450
  • Class 458
  • Class 701

Southeastern

• NEW Unit allocations
• Formation information.
  • Class 375/377
  • Class 465
  • Class 466
  • Class 707
  • Other formations are shown, however their unit type cannot be determined.
• Average crowding.
• Live crowding.
  • Only on services operated by class 375, 376, 377 and 707 trains.
• Train length.

Southern

• NEW Unit allocations
• Formation information.
  • Class 377.
  • Class 387 (the livery shown may not represent the actual livery of the train).
• Average crowding.
• Train length.

Thameslink

• NEW Unit allocations
• Formation information.
  • Class 700
• Average crowding.
• Train length.

TransPennine Express

• NEW Unit allocations
• Formation information.
  • Class 185
  • Class 397
  • Class 802

Transport for Wales

• NEW Unit allocations
• Formation information.
  • Class 158, only via Birmingham New Street.

West Midlands Trains

• NEW Unit allocations
• Formation information.
  • Class 350 
• • Class 196/1
• • Other formations are shown, however their unit type cannot be determined.
  • Class 730 formed trains do not currently relay formation information through industry systems - it isn't known when this will be fixed.

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Update log

19/09/2025 Added expanded unit allocation info coverage.

26/04/2025 Added Southern formation information.

16/03/2025 Added Elizabeth Line live and average crowding information, removed formation info for Avanti West Coast.

09/12/2024 Added unit allocation info for c2c, updated XC allocation info to mention data issue,

05/10/2024 Updated XC allocation info to include Monday-Friday restriction.

02/10/2024 Added unit allocation info for CrossCountry.

26/06/2024 Added clarification to WMT section to clarify current situation with class 730 formations.