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Ground Delay

SEA - Seattle-Tacoma International
Archived

Reason / Condition

low ceilings

Delays

Avg: 55 mins
Max: 117 mins

Start Time

Sep 30, 2026 1:00 AM UTC
6:00 PM PDT Local

Estimated End Time

Sep 30, 2026 5:59 AM UTC
10:59 PM PDT Local

Last Updated

Sep 30, 2026 4:33 AM UTC
9:33 PM PDT Local

Raw JSON Payload
{
    "id": "142a2153-bf71-4a43-bae9-484f63909f9b",
    "center": "ZSE",
    "blanket": false,
    "endTime": "2026-09-30T05:59:00Z",
    "avgDelay": 55,
    "maxDelay": 117,
    "airportId": "SEA",
    "createdAt": "2026-09-30T00:17:04Z",
    "startTime": "2026-09-30T01:00:00Z",
    "updatedAt": "2026-09-30T00:17:04Z",
    "advisoryUrl": "https:\/\/www.fly.faa.gov\/adv\/adv_otherdis.jsp?advn=3&adv_date=09302026&facId=SEA&title=ATCSCC ADVZY 003 SEA\/ZSE 09\/30\/2026 CDM GROUND DELAY PROGRAM&titleDate=09\/30\/2026",
    "compression": false,
    "fadtParamType": "GDP",
    "departureScope": 1200,
    "includedFlights": ": ALL CONTIGUOUS US DEP",
    "sourceTimeStamp": "2026-09-30T00:16:03Z",
    "gsCancelSourceTs": null,
    "gsCancelReceivedTs": null,
    "impactingCondition": "low ceilings",
    "includedFacilities": [
        "CYEG",
        "CYVR",
        "CYYC",
        "CYYJ",
        "CYLW"
    ],
    "fuelFlowAdvisoryDelayTime": {
        "id": "2da1fd5a-c590-4d23-ae05-ff5e5f27e2d6",
        "endTime": "2026-09-30T05:59:00Z",
        "createdAt": "2026-08-24T16:29:19Z",
        "dasDelays": {
            "dasDelay": [
                {
                    "seq": 1,
                    "delay": 64
                },
                {
                    "seq": 2,
                    "delay": 62
                },
                {
                    "seq": 3,
                    "delay": 62
                },
                {
                    "seq": 4,
                    "delay": 65
                },
                {
                    "seq": 5,
                    "delay": 74
                },
                {
                    "seq": 6,
                    "delay": 70
                },
                {
                    "seq": 7,
                    "delay": 55
                },
                {
                    "seq": 8,
                    "delay": 47
                },
                {
                    "seq": 9,
                    "delay": 53
                },
                {
                    "seq": 10,
                    "delay": 62
                },
                {
                    "seq": 11,
                    "delay": 66
                },
                {
                    "seq": 12,
                    "delay": 66
                },
                {
                    "seq": 13,
                    "delay": 59
                },
                {
                    "seq": 14,
                    "delay": 50
                },
                {
                    "seq": 15,
                    "delay": 47
                },
                {
                    "seq": 16,
                    "delay": 47
                },
                {
                    "seq": 17,
                    "delay": 45
                },
                {
                    "seq": 18,
                    "delay": 33
                },
                {
                    "seq": 19,
                    "delay": 22
                },
                {
                    "seq": 20,
                    "delay": 19
                }
            ],
            "delayTimeAmount": "2026-09-30T01:00:00.000+00:00"
        },
        "startTime": "2026-09-30T01:00:00Z",
        "updatedAt": "2026-09-30T00:17:31Z",
        "controlElement": "SEA",
        "sourceTimeStamp": "2026-09-30T00:16:03Z",
        "delayProgramType": "GDP"
    }
}