Is UA1231 delayed?
No — UA1231 landed in Houston 23 min early, at 09:52 on Sep 26 (as of Sep 26, 14:52 UTC). Over its last 30 recorded arrivals, 2 landed more than 15 min late.
23 min early
Official source · Updated
Departure
Chicago
ORD
Scheduled
Sep 26
Arrival
Houston
IAH
Actual
Sep 26
Times shown in airport local time
Service date: · Scheduled departure date (America/Chicago)
Think UA1231 runs late on Sep 27? Delayed is trading at 5¢ — pays out x19.75.
Will United Airlines UAL 1231 from Chicago to Houston arrive on time, be delayed, or be cancelled on Sep 27?Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
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.
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 23 min early
ORD → IAH
- 13 min early
ORD → IAH
- 19 min early
ORD → IAH
- 11 min early
ORD → IAH
- 13 min early
ORD → IAH
Flight history and details
Aug 27, 2026 — Sep 26, 2026
- Observed arrivals
- 30
- Arrivals over 15 minutes late
- 2
- Observed cancellations
- 0
- Observed occurrences
- 30
Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 26, 2026Arrived | Chicago | Houston | -23 | |
| Sep 25, 2026Arrived | Chicago | Houston | -13 | |
| Sep 24, 2026Arrived | Chicago | Houston | -19 | |
| Sep 23, 2026Arrived | Chicago | Houston | -11 | |
| Sep 22, 2026Arrived | Chicago | Houston | -13 | |
| Sep 21, 2026Arrived | Chicago | Houston | -16 | |
| Sep 20, 2026Arrived | Chicago | Houston | -5 | |
| Sep 19, 2026Arrived | Chicago | Houston | 42 | |
| Sep 18, 2026Arrived | Chicago | Houston | -8 | |
| Sep 17, 2026Arrived | Chicago | Houston | 38 | |
| Sep 16, 2026Arrived | Chicago | Houston | 8 | |
| Sep 15, 2026Arrived | Chicago | Houston | 3 | |
| Sep 14, 2026Arrived | Chicago | Houston | -12 | |
| Sep 13, 2026Arrived | Chicago | Houston | -28 | |
| Sep 12, 2026Arrived | Chicago | Houston | -27 | |
| Sep 11, 2026Arrived | Chicago | Houston | 10 | |
| Sep 10, 2026Arrived | Chicago | Houston | -16 | |
| Sep 9, 2026Arrived | Chicago | Houston | -7 | |
| Sep 8, 2026Arrived | Chicago | Houston | -9 | |
| Sep 7, 2026Arrived | Chicago | Houston | -25 | |
| Sep 6, 2026Arrived | Chicago | Houston | -43 | |
| Sep 5, 2026Arrived | Chicago | Houston | -25 | |
| Sep 4, 2026Arrived | Chicago | Houston | 4 | |
| Sep 3, 2026Arrived | Chicago | Houston | -28 | |
| Sep 2, 2026Arrived | Chicago | Houston | -20 | |
| Sep 1, 2026Arrived | Chicago | Houston | -30 | |
| Aug 31, 2026Arrived | Chicago | Houston | -13 | |
| Aug 30, 2026Arrived | Chicago | Houston | -13 | |
| Aug 29, 2026Arrived | Chicago | Houston | -40 | |
| Aug 28, 2026Arrived | Chicago | Houston | -29 |