United Airlines
Is UAL1644 delayed?
Service date: · Scheduled departure date (UTC)
Arrived
12 min early
Official source · Updated
Departure
San Juan
SJU
Scheduled
Sep 7
Arrival
Houston
IAH
Actual
Scheduled 10:37
Sep 7
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
SJUIAH
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 6 min late
SJU → IAH
- 400 min late
SJU → IAH
- 31 min early
SJU → IAH
- 30 min early
SJU → IAH
- 16 min early
SJU → IAH
Flight history and details
Aug 19, 2026 — Sep 18, 2026
- Observed arrivals
- 12
- Arrivals over 15 minutes late
- 1
- Observed cancellations
- 0
- Observed occurrences
- 12
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 17, 2026Arrived | San Juan | Houston | 6 | |
| Sep 16, 2026Arrived | San Juan | Houston | 400 | |
| Sep 15, 2026Arrived | San Juan | Houston | -31 | |
| Sep 14, 2026Arrived | San Juan | Houston | -30 | |
| Sep 12, 2026Arrived | San Juan | Houston | -16 | |
| Sep 11, 2026Arrived | San Juan | Houston | -6 | |
| Sep 10, 2026Arrived | San Juan | Houston | -21 | |
| Sep 9, 2026Arrived | San Juan | Houston | 13 | |
| Sep 8, 2026Arrived | San Juan | Houston | -20 | |
| Sep 7, 2026Arrived | San Juan | Houston | -12 | |
| Sep 6, 2026Arrived | San Juan | Houston | 0 | |
| Sep 5, 2026Arrived | San Juan | Houston | -26 |