United Airlines
Is UA3644 delayed?
No — UA3644 landed in Newark 11 min early, at 20:50 on Sep 23 (as of Sep 24, 01:20 UTC).
Usually on time: arrived within 15 min of schedule on 14 of the last 20 flights.
11 min early
Official source · Updated
Departure
Detroit
DTW
Scheduled
Not available
Arrival
Newark
EWR
Actual
Scheduled 21:01
Sep 23
Times shown in airport local time
Service date: · Scheduled arrival date; departure time unavailable (America/New_York)
Flight details
Departure · UTC
- Scheduled
- Not available
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Actual
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 11 min early
Detroit → Newark
- 29 min early
Detroit → Newark
- 30 min early
Detroit → Newark
- 58 min late
Detroit → Newark
- 18 min late
Detroit → Newark
Is UA3644 usually late?
Observation window: Aug 31, 2026 – Sep 30, 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. Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
At the airports today
Detroit (DTW) departures
No departures recorded yet today.
Newark (EWR) departures
- Left more than 15 min late
- 0 of 5
- Cancelled today
- 1
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 23, 2026Arrived | Detroit | Newark | -11 | |
| Sep 22, 2026Arrived | Detroit | Newark | -29 | |
| Sep 21, 2026Cancelled | Detroit | Newark | Not available | Not available |
| Sep 20, 2026Arrived | Detroit | Newark | -30 | |
| Sep 18, 2026Arrived | Detroit | Newark | 58 | |
| Sep 17, 2026Arrived | Detroit | Newark | 18 | |
| Sep 16, 2026Arrived | Detroit | Newark | -17 | |
| Sep 15, 2026Arrived | Detroit | Newark | -25 | |
| Sep 14, 2026Arrived | Detroit | Newark | -11 | |
| Sep 13, 2026Arrived | Detroit | Newark | 121 | |
| Sep 11, 2026Arrived | Detroit | Newark | 146 | |
| Sep 10, 2026Arrived | Detroit | Newark | -22 | |
| Sep 9, 2026Arrived | Detroit | Newark | 1 | |
| Sep 8, 2026Arrived | Detroit | Newark | -36 | |
| Sep 7, 2026Arrived | Detroit | Newark | -23 | |
| Sep 6, 2026Arrived | Detroit | Newark | 16 | |
| Sep 5, 2026Arrived | Chicago | Panama City Beach | -21 | |
| Sep 4, 2026Arrived | Detroit | Newark | 6 | |
| Sep 3, 2026Arrived | Detroit | Newark | 95 | |
| Sep 2, 2026Arrived | Detroit | Newark | -4 | |
| Sep 1, 2026Cancelled | Detroit | Newark | Not available | Not available |
| Aug 31, 2026Arrived | Detroit | Newark | -32 |
Email me if UA3644 runs late
We email you if your next UA3644 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.