TABLE 3. Average Boarding Time With Blocked Middle Seats and 1 m Aisle Social Distancing (in Seconds).

Boarding method	Aisle social distancing: 1 m
	S1	S2	S3	S4	S5	S6	S7
Random	582	555	522	491	455	414	357
Adapted Back-to-front	652	600	548	502	459	410	348
Adapted Back-to-front mix	616	566	522	480	439	396	328
WilMA-Back-to-front	531	488	447	412	377	333	254
WilMA-Spread	488	461	435	407	374	333	272
WilMA-Spread-Back-to-front	508	470	434	402	365	323	254
Reverse pyramid - Gradual	510	474	438	407	374	332	254
Reverse pyramid - Steep	488	455	426	397	367	326	254
Reverse pyramid - Spread	476	448	420	392	364	323	254