How to Read a Boarding Pass: Every Field Explained
A complete guide to every code, abbreviation, and number on your boarding pass — what they mean, why they're there, and what to ignore.
The basics, top to bottom
A standard boarding pass is dense. Here's what every field means.
Passenger name
Always last name first, in capital letters. If yours is wrong, fix it before flying internationally — TSA and CBP cross-check.
Flight number and date
UA 232 / 14APR — airline code, flight number, day-month abbreviation. The year is implicit.
From / To
Three-letter IATA airport codes (SFO → JFK).
Departure time and gate
The scheduled time, not necessarily the actual time. The gate may change up to 30 minutes before push-back; check your tracker.
Boarding time
Usually 30–45 minutes before scheduled departure. Doors close 10–15 minutes before push.
Seat
Number + letter. Window seats are A and F (or A and K on widebodies). Aisle is C/D and D/J.
Class / Booking class
A single letter — your fare bucket. Common codes:
F— firstJ— businessW— premium economyY— full-fare economyB, M, H, Q, K, L, U, T, X— discount economy buckets, in roughly descending price orderA, P, R— discounted premium
The lower-cost economy buckets earn fewer miles and are often last to upgrade.
Sequence number
SEQ 045 — the order in which you checked in. Useful when you're on a standby list.
TSA PreCheck / Boarding Group
Look for TSA PRE✓ and a group number or zone (varies by airline).
Barcode
The PDF417 barcode encodes the entire pass. Don't post it on social media — anyone with it can sometimes change your seat or look up your reservation.
After scanning your pass
Pin the flight in FlightyFlow to get gate, delay, and baggage updates from now until you're at the curb.
Frequently asked
Why is there a barcode on my boarding pass?+
It encodes your booking reference, flight, seat, and frequent-flyer details so the gate scanner can pull everything in one beep. Treat it like a credit card number.
Track your next flight with FlightyFlow
Free on the App Store. Live aircraft, smart alerts, and beautiful flight pages — built for iPhone.