The Airport Congestion Prediction is a service that provides information on the number of passengers using Incheon International Airport by time range so that the customers can check the time-basis congestion status at the airport in advance.
In case of a change in flight departure/arrival time, boarding gate, etc., the predicted number of passengers on the airport congestion prediction in the website updated in real time and the values on the airport congestion prediction before change may not match.
The predication data is updated every day at 17:00. (D +2 days: Departure airport congestion prediction , D +1 day: airport congestion prediction at departure and transit)

2025.02.07 (Fri) Airport Passenger Departure time zone warning status

No alarms assigned

(Unit: piece, people, t)

Airport congestion expected by route lookup table
Time	Japan	China	Southeast Asia	Americas	Europe	Oceania	Others
00~1Hour	0	0	475	0	0	0	0
01~2Hour	0	0	42	0	0	0	0
02~3Hour	0	0	53	0	0	0	0
03~4Hour	13	0	263	0	0	0	0
04~5Hour	281	27	832	0	0	0	2
05~6Hour	1310	305	1295	0	8	9	77
06~7Hour	2232	938	799	6	126	103	425
07~8Hour	2512	1045	1041	77	548	144	770
08~9Hour	1762	480	1344	152	577	169	835
09~10Hour	1038	569	1013	56	495	20	284
10~11Hour	1254	1066	332	194	343	0	360
11~12Hour	1167	703	225	258	218	0	664
12~13Hour	1167	500	218	236	39	0	606
13~14Hour	1382	422	643	174	0	0	336
14~15Hour	774	308	1130	243	0	0	267
15~16Hour	310	105	1683	347	0	32	223
16~17Hour	285	127	2059	423	0	113	226
17~18Hour	154	157	2298	244	0	422	371
18~19Hour	126	350	1836	247	10	649	325
19~20Hour	200	474	1261	220	21	484	322
20~21Hour	113	278	812	62	76	226	316
21~22Hour	37	96	410	2	80	4	276
22~23Hour	0	8	22	0	6	0	153
23~24Hour	0	0	0	0	0	0	3