United Airlines
Is UA3997 delayed?
No, UA3997 landed in Houston 29 min early, at 10:18 on Nov 13 (as of Nov 13, 16:19 UTC).
Usually on time: arrived within 15 min of schedule on 14 of the last 18 flights.
29 min early
Official source · Updated
Departure
Atlanta
ATL
Actual
Scheduled 09:39
Nov 13
Arrival
Houston
IAH
Actual
Scheduled 10:48
Nov 13
Times shown in airport local time
Service date: · Scheduled departure date (America/New_York)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 29 min early
Atlanta → Houston
- 23 min early
Hartford → Dulles
- 26 min early
Atlanta → Houston
- 29 min early
Atlanta → Houston
- 5 min early
Hartford → Dulles
Is UA3997 usually late?
Period: Oct 15, 2026 – Nov 14, 2026
On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Compares scheduled and actual arrival times. Cancelled and diverted flights are left out. Some flights may be missing.
At the airports today
Atlanta (ATL) departures
- Left more than 15 min late
- 64 of 113
- Cancelled today
- 97
Houston (IAH) departures
- Left more than 15 min late
- 16 of 46
- Cancelled today
- 52
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Nov 13, 2026Arrived | Atlanta | Houston | -29 | |
| Nov 10, 2026Arrived | Hartford | Dulles | -23 | |
| Nov 9, 2026Arrived | Atlanta | Houston | -26 | |
| Nov 8, 2026Arrived | Atlanta | Houston | -29 | |
| Nov 3, 2026Arrived | Hartford | Dulles | -5 | |
| Nov 2, 2026Arrived | Atlanta | Houston | -8 | |
| Nov 1, 2026Arrived | Atlanta | Houston | -45 | |
| Oct 27, 2026Arrived | Hartford | Dulles | 12 | |
| Oct 25, 2026Arrived | Atlanta | Houston | -17 | |
| Oct 24, 2026Arrived | Dulles | Norfolk | -14 | |
| Oct 22, 2026Arrived | Hartford | Dulles | 12 | |
| Oct 21, 2026Arrived | Hartford | Dulles | -13 | |
| Oct 20, 2026Arrived | Hartford | Dulles | 9 | |
| Oct 19, 2026Arrived | Hartford | Dulles | 6 | |
| Oct 18, 2026Arrived | Hartford | Dulles | 22 | |
| Oct 17, 2026Arrived | Dulles | Norfolk | 18 | |
| Oct 16, 2026Arrived | Hartford | Dulles | 19 | |
| Oct 15, 2026Arrived | Hartford | Dulles | 17 |