United Airlines
Is UA8150 delayed?
Service date: · Scheduled departure date (America/Los_Angeles)
Arrived
20 min early
Official source · Updated
Departure
San Francisco
SFO
Scheduled
Sep 18
Arrival
Ontario
ONT
Actual
Scheduled 02:58
Sep 19
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
SFOONT
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 21 min late
DEN → SLC
- 20 min early
SFO → ONT
- 125 min late
ORD → CLE
- 18 min early
SFO → MFR
- 73 min late
ORD → ONT
Flight history and details
Aug 22, 2026 — Sep 21, 2026
- Observed arrivals
- 8
- Arrivals over 15 minutes late
- 4
- Observed cancellations
- 0
- Observed occurrences
- 12
Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 19, 2026Arrived | Denver | Salt Lake City | 21 | |
| Sep 18, 2026Arrived | San Francisco | Ontario | -20 | |
| Sep 17, 2026Arrived | Chicago | Cleveland | 125 | |
| Sep 16, 2026Arrived | San Francisco | Medford | -18 | |
| Sep 15, 2026Arrived | Chicago | Ontario | 73 | |
| Sep 12, 2026Arrived | Chicago | Seattle | -1 | |
| Sep 10, 2026Arrived | Chicago | Seattle | -6 | |
| Sep 4, 2026Arrived | Chicago | Grand Rapids | 46 |