United Airlines
Is UA8104 delayed?
No delay reported yet. UA8104 is scheduled to leave Chicago at 22:08 on Nov 14 and reach Dulles at 00:28 (Nov 15) (as of Nov 15, 03:10 UTC).
No live update yet
Showing the published schedule until live times come in.
Update time unavailable
Departure
Chicago
ORD
Scheduled
Nov 14
Arrival
Dulles
IAD
Scheduled
Nov 15
Times shown in airport local time
Service date: · Scheduled departure date (America/Chicago)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Is UA8104 usually late?
Period: Oct 16, 2026 – Nov 15, 2026
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 on record at these airports today
Chicago (ORD) departures
- Delayed: left more than 15 min after schedule
- 334 delayed, 238 cancelled of 872 departures on record
Dulles (IAD) departures
- Delayed: left more than 15 min after schedule
- 70 delayed, 38 cancelled of 195 departures on record
Counts cover the departures on record at each airport, not its full schedule.
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|