Is UA4821 delayed?
No delay reported yet — UA4821 is scheduled to leave Houston at 09:55 on Sep 28 and reach Amarillo at 11:24 (as of Sep 28, 12:33 UTC). Over its last 20 recorded arrivals, 2 landed more than 15 min late.
No live update yet
Showing the published schedule until live times are reported.
Update time unavailable
Departure
Houston
IAH
Scheduled
Sep 28
Arrival
Amarillo
AMA
Scheduled
Sep 28
Times shown in airport local time
Service date: · Scheduled departure date (America/Chicago)
Think UA4821 runs late today? Delayed is trading at 18¢ — pays out x5.60.
Will United Airlines UAL 4821 from Houston to Amarillo arrive on time, be delayed, or be cancelled on Sep 28?Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
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.
- 9 min early
Houston → Amarillo
- 23 min early
Houston → Amarillo
- 67 min late
Houston → Amarillo
- 8 min early
Houston → Amarillo
- 31 min early
Houston → Amarillo
Flight history and details
Aug 29, 2026 — Sep 28, 2026
- Observed arrivals
- 20
- Arrivals over 15 minutes late
- 2
- Observed cancellations
- 0
- Observed occurrences
- 28
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 27, 2026Arrived | Houston | Amarillo | -9 | |
| Sep 26, 2026Arrived | Houston | Amarillo | -23 | |
| Sep 25, 2026Arrived | Houston | Amarillo | 67 | |
| Sep 24, 2026Arrived | Houston | Amarillo | -8 | |
| Sep 23, 2026Arrived | Houston | Amarillo | -31 | |
| Sep 22, 2026Arrived | Houston | Amarillo | -9 | |
| Sep 20, 2026Arrived | Houston | Amarillo | -20 | |
| Sep 19, 2026Arrived | Houston | Amarillo | -27 | |
| Sep 18, 2026Arrived | Houston | Amarillo | -18 | |
| Sep 17, 2026Arrived | Houston | Amarillo | -26 | |
| Sep 16, 2026Arrived | Houston | Amarillo | -20 | |
| Sep 14, 2026Arrived | Houston | Amarillo | -20 | |
| Sep 13, 2026Arrived | Houston | Amarillo | -17 | |
| Sep 12, 2026Arrived | Houston | Amarillo | -37 | |
| Sep 10, 2026Arrived | Houston | Amarillo | 99 | |
| Sep 9, 2026Arrived | Houston | Amarillo | -26 | |
| Sep 8, 2026Arrived | Houston | Amarillo | -26 | |
| Sep 6, 2026Arrived | Houston | Amarillo | -5 | |
| Sep 5, 2026Arrived | Houston | Amarillo | -27 | |
| Sep 4, 2026Arrived | Houston | Amarillo | -17 |