Is UA1537 delayed?

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

Service date: Sep 18, 2026 · Scheduled departure date (America/New_York)

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Update time unavailable

Departure

Dulles

IAD

Scheduled

18:46

Sep 18

Arrival

Denver

DEN

Scheduled

20:15

Sep 18

Times shown in airport local time

Flight details

Departure · UTC

Scheduled: Sep 18, 2026, 22:46 UTC
Estimated: Not available
Actual: Not available

Arrival · UTC

Scheduled: Sep 19, 2026, 02:15 UTC
Estimated: Not available
Actual: Not available

Service date: Sep 18, 2026 · Scheduled departure date (America/Denver)

No live update yet

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Update time unavailable

Departure

Denver

DEN

Scheduled

14:18

Sep 18

Arrival

Jackson

JAC

Scheduled

21:24

Sep 18

Times shown in airport local time

Flight details

Departure · UTC

Scheduled: Sep 18, 2026, 20:18 UTC
Estimated: Not available
Actual: Not available

Arrival · UTC

Scheduled: Sep 18, 2026, 21:24 UTC
Estimated: Not available
Actual: Not available

Service date: Sep 18, 2026 · Scheduled departure date (America/New_York)

Arrived

202 min late

Official source · Updated Sep 19, 2026, 00:53 UTC

Departure

Dulles

IAD

Actual

17:46~~14:01~~

Sep 18

Arrival

Denver

DEN

Actual

18:52~~15:30~~

Sep 18

Times shown in airport local time

Flight details

Departure · UTC

Scheduled: Sep 18, 2026, 18:01 UTC
Estimated: Not available
Actual: Sep 18, 2026, 21:46 UTC

Arrival · UTC

Scheduled: Sep 18, 2026, 21:30 UTC
Estimated: Not available
Actual: Sep 19, 2026, 00:52 UTC

Service date: Sep 18, 2026 · Scheduled departure date (America/New_York)

No live update yet

Check with your airline for the latest status.

Update time unavailable

Departure

Philadelphia

PHL

Scheduled

10:19

Sep 18

Arrival

Denver

DEN

Scheduled

12:04

Sep 18

Times shown in airport local time

Flight details

Departure · UTC

Scheduled: Sep 18, 2026, 14:19 UTC
Estimated: Not available
Actual: Not available

Arrival · UTC

Scheduled: Sep 18, 2026, 18:04 UTC
Estimated: Not available
Actual: Not available

Route overview

DENJAC

Route overview

Recent arrivals

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

Mon, Sep 21, 2026
PHL → DEN
90 min late
Sun, Sep 20, 2026
DEN → JAC
14 min early
Sun, Sep 20, 2026
PHL → DEN
15 min late
Sat, Sep 19, 2026
DEN → JAC
14 min late
Sat, Sep 19, 2026
PHL → DEN
30 min early

Flight history and details

Aug 23, 2026 — Sep 22, 2026

Observed arrivals: 44
Arrivals over 15 minutes late: 3
Observed cancellations: 0
Observed occurrences: 55

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

UA1537 Recent arrival history
Service date	Departure	Arrival	Actual	Arrival delay (minutes)
Sep 21, 2026Arrived	Philadelphia	Denver	Sep 21, 2026, 19:34 UTC	90
Sep 20, 2026Arrived	Denver	Jackson	Sep 20, 2026, 21:10 UTC	-14
Sep 20, 2026Arrived	Philadelphia	Denver	Sep 20, 2026, 18:19 UTC	15
Sep 19, 2026Arrived	Denver	Jackson	Sep 19, 2026, 23:01 UTC	14
Sep 19, 2026Arrived	Philadelphia	Denver	Sep 19, 2026, 17:33 UTC	-30
Sep 18, 2026Arrived	Dulles	Denver	Sep 19, 2026, 00:52 UTC	202
Sep 17, 2026Arrived	Denver	Jackson	Sep 17, 2026, 21:29 UTC	5
Sep 17, 2026Arrived	Philadelphia	Denver	Sep 17, 2026, 18:14 UTC	10
Sep 16, 2026Arrived	Denver	Jackson	Sep 16, 2026, 21:14 UTC	-6
Sep 16, 2026Arrived	Philadelphia	Denver	Sep 16, 2026, 17:44 UTC	0
Sep 15, 2026Arrived	Denver	Jackson	Sep 15, 2026, 21:23 UTC	-1
Sep 15, 2026Arrived	Philadelphia	Denver	Sep 15, 2026, 17:38 UTC	-26
Sep 14, 2026Arrived	Denver	Jackson	Sep 14, 2026, 21:14 UTC	-10
Sep 13, 2026Arrived	Denver	Jackson	Sep 13, 2026, 21:32 UTC	8
Sep 12, 2026Arrived	Denver	Jackson	Sep 12, 2026, 21:21 UTC	-3
Sep 12, 2026Arrived	Philadelphia	Denver	Sep 12, 2026, 17:51 UTC	-13
Sep 11, 2026Arrived	Philadelphia	Denver	Sep 11, 2026, 17:56 UTC	-8
Sep 10, 2026Arrived	Denver	Jackson	Sep 10, 2026, 21:21 UTC	-3
Sep 10, 2026Arrived	Philadelphia	Denver	Sep 10, 2026, 17:55 UTC	-9
Sep 9, 2026Arrived	Denver	Jackson	Sep 9, 2026, 21:14 UTC	-10
Sep 9, 2026Arrived	Philadelphia	Denver	Sep 9, 2026, 17:44 UTC	-20
Sep 8, 2026Arrived	Denver	Jackson	Sep 8, 2026, 21:31 UTC	9
Sep 8, 2026Arrived	Philadelphia	Denver	Sep 8, 2026, 17:35 UTC	-29
Sep 7, 2026Arrived	Denver	Jackson	Sep 7, 2026, 21:17 UTC	-7
Sep 7, 2026Arrived	Philadelphia	Denver	Sep 7, 2026, 17:38 UTC	-8
Sep 6, 2026Arrived	Denver	Jackson	Sep 6, 2026, 21:13 UTC	-11
Sep 6, 2026Arrived	Philadelphia	Denver	Sep 6, 2026, 17:37 UTC	-32
Sep 5, 2026Arrived	Denver	Jackson	Sep 5, 2026, 21:06 UTC	-22
Sep 5, 2026Arrived	Philadelphia	Denver	Sep 5, 2026, 17:43 UTC	-27
Sep 4, 2026Arrived	Denver	Jackson	Sep 4, 2026, 21:27 UTC	-1
Sep 4, 2026Arrived	Philadelphia	Denver	Sep 4, 2026, 17:50 UTC	-20
Sep 2, 2026Arrived	Philadelphia	Denver	Sep 2, 2026, 18:02 UTC	-7
Sep 1, 2026Arrived	Denver	Jackson	Sep 1, 2026, 21:11 UTC	-16
Sep 1, 2026Arrived	Philadelphia	Denver	Sep 1, 2026, 17:32 UTC	-37
Aug 31, 2026Arrived	Denver	Jackson	Aug 31, 2026, 21:00 UTC	-27
Aug 31, 2026Arrived	Philadelphia	Denver	Aug 31, 2026, 17:54 UTC	-15
Aug 30, 2026Arrived	Philadelphia	Denver	Aug 30, 2026, 17:41 UTC	-28
Aug 29, 2026Arrived	Philadelphia	Denver	Aug 29, 2026, 17:51 UTC	-18
Aug 28, 2026Arrived	Philadelphia	Denver	Aug 28, 2026, 17:59 UTC	-10
Aug 27, 2026Arrived	Philadelphia	Denver	Aug 27, 2026, 18:01 UTC	-8
Aug 26, 2026Arrived	Philadelphia	Denver	Aug 26, 2026, 17:44 UTC	-25
Aug 25, 2026Arrived	Philadelphia	Denver	Aug 25, 2026, 18:00 UTC	-9
Aug 24, 2026Arrived	Philadelphia	Denver	Aug 24, 2026, 18:04 UTC	-5
Aug 23, 2026Arrived	Philadelphia	Denver	Aug 23, 2026, 18:42 UTC	32