United Airlines
Is UA1223 delayed?
No delay reported yet. UA1223 is scheduled to leave Saint Martin at 17:23 on Nov 14 and reach Dulles at 20:33 (as of Nov 14, 22:38 UTC). Of its last 10 arrivals graded against a published schedule, 1 landed more than 15 min late.
No live update yet
Showing the published schedule until live times come in.
Update time unavailable
Departure
Saint Martin
SXM
Scheduled
Nov 14
Arrival
Dulles
IAD
Scheduled
Nov 14
Times shown in airport local time
Service date: · Scheduled departure date (America/Lower_Princes)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Also sold as NZ2128
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 46 min early
Saint Martin → Dulles
- 7 min early
Chicago → Hebron
- 1 min early
Chicago → Hebron
- 41 min late
Chicago → Hebron
- On schedule (2 min behind)
Chicago → Hebron
Is UA1223 usually late?
Period: Oct 15, 2026 – Nov 14, 2026
Not graded: 1, with no published arrival schedule to compare against. They are in no other figure.
Percentages and delay figures appear once 20 arrivals are graded.
On time means landing no more than 15 minutes after the scheduled arrival, late more than 15 minutes after, both times read to the minute. The percentages share one base: graded arrivals plus cancelled and diverted flights. A cancelled plan another plan of the flight replaced within 12 hours is not counted. Median and “9 in 10” are interpolated over the graded arrivals. Compares scheduled and actual arrival times, read to the minute. Some flights may be missing.
Departures at these airports today
Dulles (IAD) departures
- Delayed: left more than 15 min after schedule
- 38 delayed, 30 cancelled of 137 departures
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Nov 7, 2026Cancelled | Saint Martin | Dulles | Not available | Not available |
| Oct 31, 2026Arrived | Saint Martin | Dulles | -46 | |
| Oct 24, 2026Arrived | Chicago | Hebron | -7 | |
| Oct 24, 2026ArrivedNot graded: no published schedule | Baltimore | Chicago | Not available | |
| Oct 23, 2026Arrived | Chicago | Hebron | -1 | |
| Oct 22, 2026Arrived | Chicago | Hebron | 41 | |
| Oct 21, 2026Arrived | Chicago | Hebron | 2 | |
| Oct 20, 2026Arrived | Chicago | Hebron | -15 | |
| Oct 18, 2026Arrived | Chicago | Hebron | 3 | |
| Oct 17, 2026Arrived | Chicago | Hebron | -26 | |
| Oct 16, 2026Arrived | Chicago | Hebron | 10 | |
| Oct 15, 2026Arrived | Chicago | Hebron | 14 |