What Does 6E 2345 Mean? Flight Numbers Decoded

You see "6E 2345" on your ticket and wonder — what does that even mean? Every flight number has a secret language. Let's decode it.

Indian Airline Codes

What the Number Means

• 🔢 Low numbers (001-999): Usually flagship/international routes
• 🔢 High numbers (2000+): Domestic routes
• 🔢 Odd = outbound, Even = return — AI 101 goes DEL→BOM, AI 102 returns
• 🔄 Codeshare: Same physical plane can have AI 101 AND SQ 4101 — different airlines selling same seats