Is AA4478 delayed?

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

Service date: Sep 12, 2026 · Scheduled departure date (UTC)

Arrived

42 min early

Official source · Updated Sep 12, 2026, 17:02 UTC

Departure

Pittsburgh

PIT

Actual

15:45~~15:41~~

Sep 12

Arrival

Chicago

ORD

Actual

11:54~~12:36~~

Sep 12

Times shown in airport local time

Flight details

Departure · UTC

Scheduled: Sep 12, 2026, 15:41 UTC
Estimated: Not available
Actual: Sep 12, 2026, 15:45 UTC

Arrival · UTC

Scheduled: Sep 12, 2026, 17:36 UTC
Estimated: Sep 12, 2026, 16:54 UTC
Actual: Sep 12, 2026, 16:54 UTC

Service date: Sep 12, 2026 · Scheduled departure date (America/Chicago)

Arrived

30 min early

Official source · Updated Sep 12, 2026, 14:22 UTC

Departure

Chicago

ORD

Scheduled

08:42

Sep 12

Arrival

Pittsburgh

PIT

Actual

14:22~~14:53~~

Sep 12

Times shown in airport local time

Flight details

Departure · UTC

Scheduled: Sep 12, 2026, 13:42 UTC
Estimated: Not available
Actual: Not available

Arrival · UTC

Scheduled: Sep 12, 2026, 14:53 UTC
Estimated: Not available
Actual: Sep 12, 2026, 14:22 UTC

PITORD

ORDPIT

Recent arrivals

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

Thu, Sep 17, 2026
ORD → PIT
383 min late
Thu, Sep 17, 2026
PIT → ORD
177 min late
Wed, Sep 16, 2026
PIT → ORD
7 min late
Wed, Sep 16, 2026
ORD → PIT
14 min early
Tue, Sep 15, 2026
PIT → ORD
122 min late

Flight history and details

Aug 18, 2026 — Sep 17, 2026

Observed arrivals: 22
Arrivals over 15 minutes late: 8
Observed cancellations: 0
Observed occurrences: 22

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

AA4478 Recent arrival history
Service date	Departure	Arrival	Actual	Arrival delay (minutes)
Sep 17, 2026Arrived	Pittsburgh	Chicago	Sep 17, 2026, 20:02 UTC View this flight’s market	177
Sep 17, 2026Arrived	Chicago	Pittsburgh	Sep 17, 2026, 21:16 UTC View this flight’s market	383
Sep 16, 2026Arrived	Pittsburgh	Chicago	Sep 16, 2026, 17:12 UTC	7
Sep 16, 2026Arrived	Chicago	Pittsburgh	Sep 16, 2026, 14:39 UTC	-14
Sep 15, 2026Arrived	Pittsburgh	Chicago	Sep 15, 2026, 19:07 UTC	122
Sep 15, 2026Arrived	Chicago	Pittsburgh	Sep 15, 2026, 14:52 UTC	21
Sep 14, 2026Arrived	Pittsburgh	Chicago	Sep 14, 2026, 20:11 UTC	186
Sep 14, 2026Arrived	Chicago	Pittsburgh	Sep 14, 2026, 18:08 UTC	195
Sep 13, 2026Arrived	Pittsburgh	Chicago	Sep 13, 2026, 17:00 UTC	-5
Sep 12, 2026Arrived	Pittsburgh	Chicago	Sep 12, 2026, 16:54 UTC	-42
Sep 12, 2026Arrived	Chicago	Pittsburgh	Sep 12, 2026, 14:22 UTC	-30
Sep 11, 2026Arrived	Pittsburgh	Chicago	Sep 11, 2026, 16:55 UTC	-10
Sep 11, 2026Arrived	Chicago	Pittsburgh	Sep 11, 2026, 14:28 UTC	-24
Sep 10, 2026Arrived	Pittsburgh	Chicago	Sep 10, 2026, 17:02 UTC	-3
Sep 10, 2026Arrived	Chicago	Pittsburgh	Sep 10, 2026, 14:33 UTC	-19
Sep 9, 2026Arrived	Pittsburgh	Chicago	Sep 9, 2026, 17:03 UTC	-2
Sep 9, 2026Arrived	Chicago	Pittsburgh	Sep 9, 2026, 14:21 UTC	-31
Sep 8, 2026Arrived	Hebron	Chicago	Sep 8, 2026, 19:12 UTC	1
Sep 7, 2026Arrived	Hebron	Chicago	Sep 7, 2026, 19:04 UTC	-7
Sep 6, 2026Arrived	Hebron	Chicago	Sep 6, 2026, 19:13 UTC	-13
Sep 5, 2026Arrived	Hebron	Chicago	Sep 5, 2026, 20:09 UTC	43
Sep 4, 2026Arrived	Hebron	Chicago	Sep 4, 2026, 21:07 UTC	88