Is UA1100 delayed?
Each route and date is shown separately. Confirm that both airports match your booking.
Service date: · Scheduled departure date (America/Los_Angeles)
6 min late
This update may be out of date. Check with your airline.
Update time unavailable
Departure
San Diego
SAN
Actual
Aug 22
Arrival
Chicago
ORD
Estimated
Aug 23
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
- Not available
Service date: · Scheduled departure date (America/Los_Angeles)
12 min early
Updated
Departure
Los Angeles
LAX
Actual
Aug 22
Arrival
San Diego
SAN
Actual
Aug 22
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 2 min late
SAN → ORD
- 30 min late
LAX → SAN
- 1 min late
SAN → ORD
- 4 min early
LAX → SAN
- 34 min early
SAN → ORD
Flight history and details
Aug 19, 2026 — Sep 18, 2026
- Observed arrivals
- 53
- Arrivals over 15 minutes late
- 14
- Observed cancellations
- 1
- Observed occurrences
- 60
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 17, 2026Arrived | San Diego | Chicago | 2 | |
| Sep 17, 2026Arrived | Los Angeles | San Diego | 30 | |
| Sep 16, 2026Arrived | San Diego | Chicago | 1 | |
| Sep 16, 2026Arrived | Los Angeles | San Diego | -4 | |
| Sep 15, 2026Arrived | San Diego | Chicago | -34 | |
| Sep 15, 2026Arrived | Los Angeles | San Diego | 7 | |
| Sep 14, 2026Arrived | San Diego | Chicago | -11 | |
| Sep 14, 2026Arrived | Los Angeles | San Diego | 26 | |
| Sep 13, 2026Arrived | San Diego | Chicago | 19 | |
| Sep 13, 2026Arrived | Los Angeles | San Diego | 113 | |
| Sep 12, 2026Arrived | San Diego | Chicago | -13 | |
| Sep 12, 2026Arrived | Los Angeles | San Diego | -8 | |
| Sep 11, 2026Arrived | San Diego | Chicago | -2 | |
| Sep 11, 2026Arrived | Los Angeles | San Diego | 21 | |
| Sep 10, 2026Arrived | San Diego | Chicago | -10 | |
| Sep 10, 2026Arrived | Los Angeles | San Diego | 2 | |
| Sep 9, 2026Arrived | San Diego | Chicago | -24 | |
| Sep 9, 2026Arrived | Los Angeles | San Diego | -14 | |
| Sep 8, 2026Arrived | San Diego | Chicago | -8 | |
| Sep 8, 2026Arrived | Los Angeles | San Diego | -7 | |
| Sep 7, 2026Arrived | San Diego | Chicago | 17 | |
| Sep 7, 2026Arrived | Los Angeles | San Diego | 19 | |
| Sep 6, 2026Arrived | San Diego | Chicago | -20 | |
| Sep 6, 2026Arrived | Los Angeles | San Diego | 0 | |
| Sep 5, 2026Arrived | San Diego | Chicago | -37 | |
| Sep 5, 2026Arrived | Los Angeles | San Diego | -2 | |
| Sep 4, 2026Arrived | San Diego | Chicago | 672 | |
| Sep 4, 2026Arrived | Los Angeles | San Diego | 155 | |
| Sep 3, 2026Arrived | San Diego | Chicago | -32 | |
| Sep 3, 2026Arrived | Los Angeles | San Diego | 27 | |
| Sep 2, 2026Arrived | San Diego | Chicago | -33 | |
| Sep 2, 2026Arrived | Los Angeles | San Diego | -19 | |
| Sep 1, 2026Arrived | San Diego | Chicago | -36 | |
| Aug 31, 2026Arrived | San Diego | Chicago | -25 | |
| Aug 31, 2026Arrived | Los Angeles | San Diego | 37 | |
| Aug 30, 2026Arrived | San Diego | Chicago | -16 | |
| Aug 30, 2026Arrived | Los Angeles | San Diego | 14 | |
| Aug 29, 2026Arrived | San Diego | Chicago | -27 | |
| Aug 29, 2026Arrived | Los Angeles | San Diego | -14 | |
| Aug 28, 2026Arrived | San Diego | Chicago | -16 | |
| Aug 28, 2026Arrived | Los Angeles | San Diego | 33 | |
| Aug 27, 2026Arrived | San Diego | Chicago | 9 | |
| Aug 27, 2026Arrived | Los Angeles | San Diego | 12 | |
| Aug 26, 2026Arrived | San Diego | Chicago | -23 | |
| Aug 26, 2026Arrived | Los Angeles | San Diego | -2 | |
| Aug 25, 2026Arrived | San Diego | Chicago | -30 | |
| Aug 25, 2026Arrived | Los Angeles | San Diego | -19 | |
| Aug 24, 2026Arrived | San Diego | Chicago | 1 | |
| Aug 24, 2026Arrived | Los Angeles | San Diego | 51 | |
| Aug 23, 2026Arrived | San Diego | Chicago | 3 | |
| Aug 22, 2026Arrived | Los Angeles | San Diego | -12 | |
| Aug 21, 2026Arrived | Los Angeles | San Diego | 105 | |
| Aug 20, 2026Cancelled | Los Angeles | San Diego | Not available | Not available |
| Aug 19, 2026Arrived | San Diego | Chicago | -21 |