B737 Undifferentiated or Other Model
Flight Crew Air Transport Pilot (ATP); Flight Crew Instrument; Flight Crew Multiengine
Flight Crew Last 90 Days 196.97; Flight Crew Total 4095.05; Flight Crew Type 4095.05
Situational Awareness
Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor
Air Traffic Control Provided Assistance; Flight Crew Diverted; Flight Crew Landed in Emergency Condition
Aircraft
In cruise FL370 approximately ZZZ VOR; Flight Attendant calls cockpit to advise up to 10 passengers around row 38 in cabin all smell electrical burning smell.  Flight Attendant advises they do not smell anything.  I advise Flight Attendant to pay close attention to [the] area and keep me advised. A few minutes later she calls back to advise me that several other passengers are also noticing the same smell and that it is coming and going. At that time; we decide to divert to nearest airport.  We advise Dispatcher and [advised] ATC and diverted to ZZZ.
B737 Captain reported diverting to nearest airport after being advised by a Flight Attendant of growing number of passengers noticing 'electrical burning smell' during cruise.