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United Airlines

Is UA521 delayed?

UA521 left Houston 1 min early, at 08:45 on Sep 26; its arrival time is not confirmed yet. Over its last 30 recorded arrivals, 7 landed more than 15 min late.

DepartedLast reported

1 min early

This update may be out of date. Check with your airline.

Update time unavailable

Departure

Houston

IAH

Actual

Scheduled 08:47

Sep 26

Arrival

Orlando

MCO

Scheduled

Sep 26

Times shown in airport local time

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

Think UA521 runs late today? Delayed is trading at 45¢ — pays out x2.22.

Will United Airlines UAL 521 from Houston to Orlando arrive on time, be delayed, or be cancelled on Sep 26?
On time54%Pays out x1.84Delayed45%Pays out x2.22Cancelled1%
$137 tradedArrives Sat, Sep 26, 11:51 AM EDT
Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

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: Houston → OrlandoIAHMCO
Route overview

Recent arrivals

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

  • IAH → BOS

    10 min early

  • IAH → BOS

    87 min late

  • IAH → BOS

    55 min late

  • IAH → BOS

    15 min early

  • IAH → BOS

    17 min early
Flight history and details

Aug 27, 2026 — Sep 26, 2026

Observed arrivals
30
Arrivals over 15 minutes late
7
Observed cancellations
0
Observed occurrences
31

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

UA521 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 25, 2026ArrivedHoustonBoston
View this flight’s market
-10
Sep 24, 2026ArrivedHoustonBoston
87
Sep 23, 2026ArrivedHoustonBoston
55
Sep 22, 2026ArrivedHoustonBoston
-15
Sep 21, 2026ArrivedHoustonBoston
-17
Sep 20, 2026ArrivedHoustonBoston
26
Sep 19, 2026ArrivedHoustonBoston
-25
Sep 18, 2026ArrivedHoustonBoston
-1
Sep 17, 2026ArrivedHoustonBoston
56
Sep 16, 2026ArrivedHoustonBoston
-12
Sep 15, 2026ArrivedHoustonBoston
-34
Sep 14, 2026ArrivedHoustonBoston
-16
Sep 13, 2026ArrivedHoustonBoston
95
Sep 12, 2026ArrivedHoustonBoston
-15
Sep 11, 2026ArrivedHoustonBoston
-36
Sep 10, 2026ArrivedHoustonBoston
-30
Sep 9, 2026ArrivedHoustonBoston
-2
Sep 8, 2026ArrivedHoustonBoston
-9
Sep 7, 2026ArrivedHoustonBoston
0
Sep 6, 2026ArrivedHoustonBoston
185
Sep 5, 2026ArrivedHoustonBoston
-16
Sep 4, 2026ArrivedHoustonBoston
-10
Sep 3, 2026ArrivedHoustonBoston
2
Sep 2, 2026ArrivedHoustonBoston
-11
Sep 1, 2026ArrivedHoustonBoston
18
Aug 31, 2026ArrivedHoustonBoston
-23
Aug 30, 2026ArrivedHoustonBoston
6
Aug 29, 2026ArrivedHoustonBoston
-27
Aug 28, 2026ArrivedHoustonBoston
-18
Aug 27, 2026ArrivedHoustonBoston
7

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