United Airlines
Is UA8104 delayed?
No — UA8104 landed in Santa Ana 1 min early, at 11:27 on Sep 21 (as of Sep 21, 18:27 UTC). Over its last 6 recorded arrivals, 2 landed more than 15 min late.
1 min early
Official source · Updated
Departure
Chicago
ORD
Scheduled
Sep 21
Arrival
Santa Ana
SNA
Actual
Scheduled 11:28
Sep 21
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
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 1 min early
Chicago → Santa Ana
- On schedule (8 min behind)
San Francisco → Seattle
- 13 min early
Newark → Fort Lauderdale
- 30 min late
Denver → Eugene
- On schedule (2 min behind)
Denver → Reno
Is UA8104 usually late?
Observation window: Aug 30, 2026 – Sep 29, 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. 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
Chicago (ORD) departures
- Left more than 15 min late
- 108 of 163
- Cancelled today
- 3
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 21, 2026Arrived | Chicago | Santa Ana | -1 | |
| Sep 19, 2026Arrived | San Francisco | Seattle | 8 | |
| Sep 18, 2026Arrived | Newark | Fort Lauderdale | -13 | |
| Sep 17, 2026Arrived | Denver | Eugene | 30 | |
| Sep 8, 2026Arrived | Denver | Reno | 2 | |
| Aug 30, 2026Arrived | Orlando | San Francisco | 19 |
Email me if UA8104 runs late
We email you if your next UA8104 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.