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Delta Air Lines

Is DL1223 delayed?

Each route and date is shown separately. Confirm that both airports match your booking.

Service date: · Scheduled departure date (America/Chicago)

Arrived

33 min early

Official source · Updated

Departure

Houston

IAH

Actual

Scheduled 18:36

Sep 2

Arrival

Atlanta

ATL

Actual

Scheduled 21:59

Sep 2

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Not available
Actual

Service date: · Scheduled departure date (America/New_York)

Estimated arrivalLast reported

33 min early

This update may be out of date. Check with your airline.

Update time unavailable

Departure

Atlanta

ATL

Actual

Scheduled 16:26

Sep 2

Arrival

Houston

IAH

Estimated

Scheduled 17:40

Sep 2

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Actual

Arrival · UTC

Scheduled
Estimated
Actual
Not available
Route overview: Houston → AtlantaIAHATL
Route overview
Route overview: Atlanta → HoustonATLIAH
Route overview

Recent arrivals

Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.

  • IAH → ATL

    6 min late

  • ATL → IAH

    7 min early

  • IAH → ATL

    29 min late

  • ATL → IAH

    8 min early

  • IAH → ATL

    5 min early
Flight history and details

Aug 24, 2026 — Sep 23, 2026

Observed arrivals
41
Arrivals over 15 minutes late
7
Observed cancellations
0
Observed occurrences
42

Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.

How flight status works

DL1223 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 22, 2026ArrivedHoustonAtlanta
6
Sep 22, 2026ArrivedAtlantaHouston
-7
Sep 21, 2026ArrivedHoustonAtlanta
29
Sep 21, 2026ArrivedAtlantaHouston
-8
Sep 20, 2026ArrivedHoustonAtlanta
-5
Sep 20, 2026ArrivedAtlantaHouston
-17
Sep 19, 2026ArrivedHoustonAtlanta
226
Sep 19, 2026ArrivedAtlantaHouston
-1
Sep 18, 2026ArrivedHoustonAtlanta
-9
Sep 18, 2026ArrivedAtlantaHouston
-13
Sep 17, 2026ArrivedHoustonAtlanta
-7
Sep 17, 2026ArrivedAtlantaHouston
0
Sep 16, 2026ArrivedHoustonAtlanta
-15
Sep 16, 2026ArrivedAtlantaHouston
-11
Sep 15, 2026ArrivedHoustonAtlanta
-21
Sep 14, 2026ArrivedAtlantaHouston
-16
Sep 13, 2026ArrivedAtlantaHouston
-7
Sep 12, 2026ArrivedHoustonAtlanta
0
Sep 10, 2026ArrivedAtlantaHouston
28
Sep 9, 2026ArrivedHoustonAtlanta
-3
Sep 9, 2026ArrivedAtlantaHouston
-9
Sep 8, 2026ArrivedAtlantaHouston
30
Sep 7, 2026ArrivedHoustonAtlanta
-9
Sep 7, 2026ArrivedAtlantaHouston
-26
Sep 4, 2026ArrivedHoustonAtlanta
-20
Sep 4, 2026ArrivedAtlantaHouston
-25
Sep 3, 2026ArrivedHoustonAtlanta
113
Sep 3, 2026ArrivedAtlantaHouston
5
Sep 2, 2026ArrivedHoustonAtlanta
-33
Aug 31, 2026ArrivedHoustonAtlanta
-48
Aug 31, 2026ArrivedAtlantaHouston
-28
Aug 28, 2026ArrivedHoustonAtlanta
169
Aug 28, 2026ArrivedAtlantaHouston
196
Aug 27, 2026ArrivedHoustonAtlanta
-33
Aug 27, 2026ArrivedAtlantaHouston
1
Aug 26, 2026ArrivedHoustonAtlanta
-37
Aug 26, 2026ArrivedAtlantaHouston
-25
Aug 25, 2026ArrivedHoustonAtlanta
-49
Aug 25, 2026ArrivedAtlantaHouston
-35
Aug 24, 2026ArrivedHoustonAtlanta
-19
Aug 24, 2026ArrivedAtlantaHouston
-35

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