No, the e-ticket number and the booking reference (PNR) are two distinct identifiers used for different purposes in the aviation system. The booking reference, also known as a Record Locator or PNR, is a 6-character alphanumeric code (e.g., AB12CD) that identifies your specific reservation in the airline's computer system; it can contain multiple passengers on the same trip. In contrast, the e-ticket number is a 13-digit numeric code unique to an individual passenger. While the PNR is your "reservation ID," the e-ticket is your actual "digital travel document" that proves payment and seat entitlement. For 2026 travelers, it is vital to know that you might have one PNR for a family of four, but you will always have four distinct e-ticket numbers—one for each person—to ensure everyone is correctly accounted for during check-in and boarding.