AIRPORT-SWITCH SCENARIOLHR → LGW
Can a Heathrow to Gatwick connection work?
Two London airport codes are not one connection.
4H 30M+DEFENSIBLE MODELED BUFFERTreat it as two journeys with a city transfer between them.
Price the hidden ground journey, bag reclaim and protection break behind a London airport change.
Price the complete switch ↗Change an assumption.
Change the answer.
What moves the result.
Surface transfer
Road and rail disruption sit outside normal airside connection protection.
HURTSBag deadline
You must reach the second airline before its own check-in cutoff, not merely departure.
HURTSOvernight option
An overnight buffer can turn a brittle switch into a planned stop.
HELPSBEFORE YOU BUY
Three facts to verify.
Ground time is a planning range, not live traffic or rail guidance.
- 1Price the complete ground transfer
- 2Use the second flight's bag-drop deadline
- 3Check whether either seller promises airport-transfer protection