Is UA731 delayed?

Service date: Sep 20, 2026 · Scheduled departure date (America/Denver)

Arrived

27 min early

Official source · Updated Sep 21, 2026, 04:09 UTC

Departure

Denver

DEN

Actual

18:52~~18:57~~

Sep 20

Arrival

Boston

BOS

Actual

00:09~~00:37~~

Sep 21

Times shown in airport local time

Flight details

Departure · UTC

Scheduled: Sep 21, 2026, 00:57 UTC
Estimated: Not available
Actual: Sep 21, 2026, 00:52 UTC

Arrival · UTC

Scheduled: Sep 21, 2026, 04:37 UTC
Estimated: Not available
Actual: Sep 21, 2026, 04:09 UTC

View this flight’s market

Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.

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
DEN → BOS
27 min early
Sun, Sep 20, 2026
DEN → BOS
89 min late
Sat, Sep 19, 2026
DEN → BOS
49 min late
Fri, Sep 18, 2026
DEN → BOS
70 min late
Wed, Sep 16, 2026
DEN → BOS
19 min early

Flight history and details

Aug 22, 2026 — Sep 21, 2026

Observed arrivals: 17
Arrivals over 15 minutes late: 7
Observed cancellations: 0
Observed occurrences: 17

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

UA731 Recent arrival history
Service date	Departure	Arrival	Actual	Arrival delay (minutes)
Sep 20, 2026Arrived	Denver	Boston	Sep 21, 2026, 04:09 UTC View this flight’s market	-27
Sep 19, 2026Arrived	Denver	Boston	Sep 20, 2026, 05:17 UTC	89
Sep 18, 2026Arrived	Denver	Boston	Sep 19, 2026, 04:39 UTC	49
Sep 17, 2026Arrived	Denver	Boston	Sep 18, 2026, 05:00 UTC	70
Sep 16, 2026Arrived	Denver	Boston	Sep 17, 2026, 03:30 UTC	-19
Sep 15, 2026Arrived	Denver	Boston	Sep 16, 2026, 04:12 UTC	22
Sep 14, 2026Arrived	Denver	Boston	Sep 15, 2026, 04:08 UTC	7
Sep 13, 2026Arrived	Denver	Boston	Sep 14, 2026, 05:20 UTC	90
Sep 12, 2026Arrived	Denver	Boston	Sep 13, 2026, 03:24 UTC	-23
Sep 11, 2026Arrived	Denver	Boston	Sep 12, 2026, 03:47 UTC	-2
Sep 10, 2026Arrived	Denver	Boston	Sep 11, 2026, 03:16 UTC	-33
Sep 9, 2026Arrived	Denver	Boston	Sep 10, 2026, 03:20 UTC	-29
Sep 8, 2026Arrived	Denver	Boston	Sep 9, 2026, 03:45 UTC	-4
Sep 7, 2026Arrived	Hebron	Chicago	Sep 7, 2026, 17:28 UTC	-11
Sep 6, 2026Arrived	Hebron	Chicago	Sep 6, 2026, 18:03 UTC	24
Sep 5, 2026Arrived	Hebron	Chicago	Sep 5, 2026, 17:38 UTC	-1
Sep 4, 2026Arrived	Hebron	Chicago	Sep 4, 2026, 21:10 UTC	187