734 has no 27E, A321 does have 27E.
Am assuming you are on US1009.
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Departing CLT on 04/17/13 for PBI
Flying US flight 1009 in Economy
A B C D E F
5 - P - - - -
6 - - - - - -
7 - - - - $ -
8 - - - - - -
9 E - X E
10 E - X - - - - E
11 W - - - - - - W
12 W - $ - - $ - W
13 W $ $ - - $ $ W
14 W - - - - - - W
15 W - - - - - - W
16 W - - - - + - W
17 W - - - - - - W
18 W - - - - - - W
19 W - - - - - - W
20 W - - - - + - W
21 W - - - W
22 E - - X - E
23 E X X - X X X E
24 - - - - - -
25 - - - - + -
26 - - - - - -
27 - - - - - -
28 - - - - - -
29 - + - - + -
30 + - - - - -
31 - - - - - -
32 - + - - + -
33 - + - - - -
34 - + - X X X
A B C D E F
Seats
Premium Only P
Available +
Handicap-Accessible H
Paid & Premium #
Occupied -
Blocked X
Lavatory L
Paid $
Location
Exit Row E
Wing W
Upper Deck U