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United Airlines

Is UA540 delayed?

No delay reported yet — UA540 is scheduled to leave San Francisco at 12:57 on Sep 27 and reach Denver at 16:19 (as of Sep 27, 11:17 UTC). Over its last 55 recorded arrivals, 24 landed more than 15 min late.

No live update yet

Showing the published schedule until live times are reported.

Update time unavailable

Departure

San Francisco

SFO

Scheduled

Sep 27

Arrival

Denver

DEN

Scheduled

Sep 27

Times shown in airport local time

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

Think UA540 runs late today? Delayed is trading at 29¢ — pays out x3.45.

Will United Airlines UAL 540 from San Francisco to Denver arrive on time, be delayed, or be cancelled on Sep 27?
On time69%Pays out x1.44Delayed29%Pays out x3.45Cancelled2%Pays out x50.74
$58 tradedDeparts Sun, Sep 27, 12:57 PM PDT
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

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: San Francisco → DenverSFODEN
Route overview

Recent arrivals

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

  • DEN → SAN

    13 min early

  • SFO → DEN

    18 min early

  • SAN → ORD

    9 min early

  • SFO → DEN

    23 min late

  • SAN → ORD

    14 min early
Flight history and details

Aug 28, 2026 — Sep 27, 2026

Observed arrivals
55
Arrivals over 15 minutes late
24
Observed cancellations
1
Observed occurrences
63

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

UA540 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 26, 2026ArrivedDenverSan Diego
View this flight’s market
-13
Sep 26, 2026ArrivedSan FranciscoDenver
View this flight’s market
-18
Sep 25, 2026ArrivedSan DiegoChicago
-9
Sep 25, 2026CancelledDenverSan DiegoNot available
Not available
Sep 25, 2026ArrivedSan FranciscoDenver
23
Sep 24, 2026ArrivedSan DiegoChicago
-14
Sep 24, 2026ArrivedDenverSan Diego
-9
Sep 24, 2026ArrivedSan FranciscoDenver
17
Sep 23, 2026ArrivedDenverSan Diego
0
Sep 23, 2026ArrivedSan FranciscoDenver
8
Sep 22, 2026ArrivedDenverSan Diego
-6
Sep 22, 2026ArrivedSan FranciscoDenver
39
Sep 21, 2026ArrivedDenverSan Diego
-10
Sep 21, 2026ArrivedSan FranciscoDenver
32
Sep 20, 2026ArrivedDenverSan Diego
35
Sep 20, 2026ArrivedSan FranciscoDenver
9
Sep 19, 2026ArrivedDenverSan Diego
26
Sep 19, 2026ArrivedSan FranciscoDenver
17
Sep 18, 2026ArrivedDenverSan Diego
42
Sep 18, 2026ArrivedSan FranciscoDenver
80
Sep 17, 2026ArrivedDenverSan Diego
18
Sep 17, 2026ArrivedSan FranciscoDenver
-4
Sep 16, 2026ArrivedDenverSan Diego
-1
Sep 16, 2026ArrivedSan FranciscoDenver
-2
Sep 15, 2026ArrivedDenverSan Diego
22
Sep 15, 2026ArrivedSan FranciscoDenver
24
Sep 14, 2026ArrivedDenverSan Diego
43
Sep 14, 2026ArrivedSan FranciscoDenver
45
Sep 13, 2026ArrivedDenverSan Diego
83
Sep 13, 2026ArrivedSan FranciscoDenver
-17
Sep 12, 2026ArrivedDenverSan Diego
-8
Sep 12, 2026ArrivedSan FranciscoDenver
54
Sep 11, 2026ArrivedDenverSan Diego
4
Sep 10, 2026ArrivedDenverSan Diego
3
Sep 10, 2026ArrivedSan FranciscoDenver
-1
Sep 9, 2026ArrivedDenverSan Diego
-22
Sep 9, 2026ArrivedSan FranciscoDenver
2
Sep 8, 2026ArrivedDenverSan Diego
-2
Sep 8, 2026ArrivedSan FranciscoDenver
-15
Sep 7, 2026ArrivedDenverSan Diego
106
Sep 7, 2026ArrivedSan FranciscoDenver
-5
Sep 6, 2026ArrivedDenverSan Diego
-4
Sep 6, 2026ArrivedSan FranciscoDenver
-19
Sep 5, 2026ArrivedDenverSan Diego
-13
Sep 5, 2026ArrivedSan FranciscoDenver
-28
Sep 4, 2026ArrivedDenverSan Diego
157
Sep 4, 2026ArrivedSan FranciscoDenver
-5
Sep 3, 2026ArrivedDenverSan Diego
51
Sep 2, 2026ArrivedDenverSan Diego
0
Sep 2, 2026ArrivedSan FranciscoDenver
5
Sep 1, 2026ArrivedDenverSan Diego
-11
Aug 31, 2026ArrivedDenverSan Diego
41
Aug 30, 2026ArrivedDenverSan Diego
45
Aug 29, 2026ArrivedDenverSan Diego
23
Aug 29, 2026ArrivedSan FranciscoDenver
15
Aug 28, 2026ArrivedDenverSan Diego
104

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