Exchanges with suffix and delay time:

American SE (ASE)  -  20 min
Amsterdam (AEX)  .AS 15 min
Bombay (BSE)  .BO 15 min
Brussels  .BR 15 min
Buenos Aires (BUE)  .BA 30 min
Caracas  .CR 15 min
Copenhagen (CPH)  .CO 15 min
Frankfurt (FRA)  .F 15 min
Hong Kong (HKG)  .HK 60 min
Ireland (ISE)  .IR 15 min
Jakarta (JKT)  .JK 10 min
Kuala Lumpur (KLS)  .KL RT
Lisbon (MCP)  .LS 15 min
London (LSE)  .L 20 min
Madrid (MCE)  .MC 15 min
Mexico (MEX)  .MX 20 min
Milan (MIL)  .MI 20 min
Nasdaq (NAS)  - 15 min
New Zealand (NZE)  .NZ 20 min
NYSE (NYS)  - 20 min
Oslo (OSL)  .OL 15 min
Paris (PAR)  .PA 15 min
Santiago (SGO)  .SN 20 min
Sao Paolo (SAO)  .SA 15 min
Seoul (KSE)  .KS 20 min
Shanghai (SHH)  .SS RT
Singapore (SES)  .SI 20 min
Stockholm (STO)  .ST 15 min
Swiss Exchange (SWX)  .SW  15 min
Sydney (ASX)  .AX 20 min
Taiwan (TAI)  .TW 20 min
Thailand (SET)  .BK 15 min
Toronto (TOR)  .TO 15 min
TSX Venture (CVE)  .V 15 min
Vienna (VIE)  .VI 15 min
Virt-X (VTX)  .VX 15 min
Xetra (GER)  .DE 15 min

E.g. symbol for BMW is BMWG.F in Frankfurt and BMWG.DE at Xetra.

Exchanges on Yahoo! Finance. Also see trading hours.