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Southwest Airlines

Is WN551 delayed?

No delay reported yet. WN551 is scheduled to leave Austin at 16:09 on Nov 15 and reach Denver at 17:07 (as of Nov 15, 20:59 UTC). Of its last 35 arrivals graded against a published schedule, 16 landed more than 15 min late.

The GADUIN market gives an on-time arrival at Denver a 74% chance.

No live update yet

Showing the published schedule until live times come in.

Update time unavailable

Departure

Austin

AUS

Scheduled

Nov 15

Arrival

Denver

DEN

Scheduled

Nov 15

Times shown in airport local time

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

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Not available
Actual
Not available
View this flight’s market

The price is the traded chance of the market’s outcome. It doesn’t confirm the flight’s status. See the market for its rules.

Route overview: Austin → DenverAUSDEN
Austin → Denver

Recent arrivals

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

  • Austin → Denver

    On schedule (12 min behind)
  • Austin → Denver

    2 min early
  • Austin → Denver

    26 min late
  • Austin → Denver

    On schedule (3 min behind)
  • Austin → Denver

    82 min late

Is WN551 usually late?

Period: Oct 16, 2026 – Nov 15, 2026

Landings recorded
35
Graded against schedule
35
Not graded
0
On time
53%
of 36 flights
Late
44%
of 36 flights
Cancelled
3%
of 36 flights
Diverted
0%
of 36 flights
Median arrival delay
12 min
9 in 10 arrived within
62 min

On time means landing no more than 15 minutes after the scheduled arrival, late more than 15 minutes after, both times read to the minute. The percentages share one base: graded arrivals plus cancelled and diverted flights. A cancelled plan another plan of the flight replaced within 12 hours is not counted. Median and “9 in 10” are interpolated over the graded arrivals. Compares scheduled and actual arrival times, read to the minute. Some flights may be missing.

How flight status works

Departures on record at these airports today

Austin (AUS) departures

Delayed: left more than 15 min after schedule
72 delayed, 7 cancelled of 126 departures on record
Flights from Austin to Denver today

Denver (DEN) departures

Delayed: left more than 15 min after schedule
102 delayed, 14 cancelled of 364 departures on record

Counts cover the departures on record at each airport, not its full schedule.

All Southwest Airlines flights

Flight history and details
WN551 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Nov 13, 2026CancelledAustinDenverNot availableNot available
Nov 12, 2026ArrivedAustinDenver12
Nov 11, 2026ArrivedAustinDenver-2
Nov 10, 2026ArrivedAustinDenver26
Nov 9, 2026ArrivedAustinDenver3
Nov 8, 2026ArrivedAustinDenver82
Nov 6, 2026ArrivedAustinDenver52
Nov 5, 2026ArrivedAustinDenver11
Nov 4, 2026ArrivedAustinDenver-10
Nov 3, 2026ArrivedAustinDenver-13
Nov 2, 2026ArrivedAustinDenver15
Nov 1, 2026ArrivedAustinDenver-16
Oct 31, 2026ArrivedBurbankSacramento-21
Oct 30, 2026ArrivedColorado SpringsSan Diego33
Oct 30, 2026ArrivedDallasColorado Springs2
Oct 29, 2026ArrivedColorado SpringsSan Diego50
Oct 29, 2026ArrivedDallasColorado Springs38
Oct 28, 2026ArrivedOrlandoBaltimore-26
Oct 27, 2026ArrivedOrlandoBaltimore-21
Oct 26, 2026ArrivedColorado SpringsSan Diego22
Oct 26, 2026ArrivedDallasColorado Springs4
Oct 25, 2026ArrivedLas VegasReno26
Oct 25, 2026ArrivedSan DiegoLas Vegas22
Oct 25, 2026ArrivedColorado SpringsSan Diego41
Oct 25, 2026ArrivedDenverColorado Springs31
Oct 23, 2026ArrivedColorado SpringsSan Diego43
Oct 23, 2026ArrivedDallasColorado Springs-13
Oct 22, 2026ArrivedColorado SpringsSan Diego7
Oct 21, 2026ArrivedOrlandoBaltimore-20
Oct 20, 2026ArrivedOrlandoBaltimore-21
Oct 19, 2026ArrivedColorado SpringsSan Diego69
Oct 19, 2026ArrivedDallasColorado Springs-15
Oct 18, 2026ArrivedLas VegasReno91
Oct 18, 2026ArrivedSan DiegoLas Vegas76
Oct 18, 2026ArrivedColorado SpringsSan Diego42
Oct 18, 2026ArrivedDenverColorado Springs11
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