Back to Events Registry

Ground Delay

ORD - Chicago OHare International
Archived

Reason / Condition

thunderstorms

Delays

Avg: 22 mins
Max: 130 mins

Start Time

Sep 20, 2026 10:56 AM UTC
5:56 AM CDT Local

Estimated End Time

Sep 20, 2026 4:59 PM UTC
11:59 AM CDT Local

Last Updated

Sep 20, 2026 1:03 PM UTC
8:03 AM CDT Local

Raw JSON Payload
{
    "id": "80f5b77d-1be4-4e1d-9ee1-bd59aea6185b",
    "center": "ZAU",
    "blanket": false,
    "endTime": "2026-09-20T16:59:00Z",
    "avgDelay": 22,
    "maxDelay": 130,
    "airportId": "ORD",
    "createdAt": "2026-09-20T11:00:57Z",
    "startTime": "2026-09-20T10:56:00Z",
    "updatedAt": "2026-09-20T11:01:01Z",
    "advisoryUrl": "https:\/\/www.fly.faa.gov\/adv\/adv_otherdis.jsp?advn=39&adv_date=09202026&facId=ORD&title=ATCSCC ADVZY 039 ORD\/ZAU 09\/20\/2026 CDM GROUND DELAY PROGRAM&titleDate=09\/20\/2026",
    "compression": false,
    "fadtParamType": "GDP",
    "departureScope": null,
    "includedFlights": ": ALL CONTIGUOUS US DEP",
    "sourceTimeStamp": "2026-09-20T10:59:47Z",
    "gsCancelSourceTs": null,
    "gsCancelReceivedTs": null,
    "impactingCondition": "thunderstorms",
    "includedFacilities": [
        "ZLA",
        "ZAU",
        "ZLC",
        "ZTL",
        "ZDC",
        "ZNY",
        "ZHU",
        "ZJX",
        "ZFW",
        "ZOB",
        "ZDV",
        "ZOA",
        "ZSE",
        "ZBW",
        "ZMA",
        "ZKC",
        "ZME",
        "ZID",
        "ZAB",
        "ZMP",
        "CYHZ",
        "CYOW",
        "CYUL",
        "CYYZ"
    ],
    "fuelFlowAdvisoryDelayTime": {
        "id": "bb62b1a3-b32e-41af-8139-70b18bde203d",
        "endTime": "2026-09-20T16:59:00Z",
        "createdAt": "2026-08-30T12:06:43Z",
        "dasDelays": {
            "dasDelay": [
                {
                    "seq": 1,
                    "delay": 67
                },
                {
                    "seq": 2,
                    "delay": 56
                },
                {
                    "seq": 3,
                    "delay": 48
                },
                {
                    "seq": 4,
                    "delay": 42
                },
                {
                    "seq": 5,
                    "delay": 41
                },
                {
                    "seq": 6,
                    "delay": 41
                },
                {
                    "seq": 7,
                    "delay": 41
                },
                {
                    "seq": 8,
                    "delay": 40
                },
                {
                    "seq": 9,
                    "delay": 37
                },
                {
                    "seq": 10,
                    "delay": 34
                },
                {
                    "seq": 11,
                    "delay": 31
                },
                {
                    "seq": 12,
                    "delay": 31
                },
                {
                    "seq": 13,
                    "delay": 29
                },
                {
                    "seq": 14,
                    "delay": 29
                },
                {
                    "seq": 15,
                    "delay": 27
                },
                {
                    "seq": 16,
                    "delay": 26
                },
                {
                    "seq": 17,
                    "delay": 22
                },
                {
                    "seq": 18,
                    "delay": 15
                },
                {
                    "seq": 19,
                    "delay": 10
                },
                {
                    "seq": 20,
                    "delay": 6
                },
                {
                    "seq": 21,
                    "delay": 4
                },
                {
                    "seq": 22,
                    "delay": 3
                },
                {
                    "seq": 23,
                    "delay": 2
                },
                {
                    "seq": 24,
                    "delay": 2
                },
                {
                    "seq": 25,
                    "delay": 2
                }
            ],
            "delayTimeAmount": "2026-09-20T10:45:00.000+00:00"
        },
        "startTime": "2026-09-20T10:56:00Z",
        "updatedAt": "2026-09-20T11:01:10Z",
        "controlElement": "ORD",
        "sourceTimeStamp": "2026-09-20T10:59:47Z",
        "delayProgramType": "GDP"
    }
}