United Airlines
Is UA1523 delayed?
No, UA1523 landed in Dulles on schedule (15 min behind), at 16:40 on Oct 24 (as of Oct 24, 20:40 UTC). Of its last 9 arrivals, 0 landed more than 15 min late.
On schedule (15 min behind)
Official source · Updated
Departure
Seattle
SEA
Actual
Scheduled 08:48
Oct 24
Arrival
Dulles
IAD
Actual
Scheduled 16:26
Oct 24
Times shown in airport local time
Service date: · Scheduled departure date (America/Los_Angeles)
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.
- On schedule (15 min behind)
Seattle → Dulles
- 6 min early
Seattle → Dulles
- 31 min early
Seattle → Dulles
- 26 min early
Seattle → Dulles
- 1 min early
Seattle → Dulles
Is UA1523 usually late?
Period: Oct 15, 2026 – Nov 14, 2026
Percentages and delay figures appear once 10 arrivals are recorded.
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
Seattle (SEA) departures
- Left more than 15 min late
- 25 of 55
- Cancelled today
- 37
Dulles (IAD) departures
- Left more than 15 min late
- 17 of 46
- Cancelled today
- 28
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Oct 24, 2026Arrived | Seattle | Dulles | 15 | |
| Oct 23, 2026Arrived | Seattle | Dulles | -6 | |
| Oct 22, 2026Arrived | Seattle | Dulles | -31 | |
| Oct 21, 2026Arrived | Seattle | Dulles | -26 | |
| Oct 20, 2026Arrived | Seattle | Dulles | -1 | |
| Oct 19, 2026Arrived | Seattle | Dulles | -7 | |
| Oct 18, 2026Arrived | Seattle | Dulles | -14 | |
| Oct 17, 2026Arrived | Seattle | Dulles | -14 | |
| Oct 16, 2026Arrived | Seattle | Dulles | -25 |