Austrian Airlines
Is OS7853 delayed?
No delay reported — OS7853 is expected in Chicago at 13:50 on Sep 28, 20 min early (last reported Sep 28, 10:34 UTC). Over its last 23 recorded arrivals, 2 landed more than 15 min late.
20 min early
This update may be out of date. Check with your airline.
Official source · Updated
Departure
London
LHR
Actual
Scheduled 11:05
Sep 28
Arrival
Chicago
ORD
Estimated
Scheduled 14:10
Sep 28
Times shown in airport local time
Service date: · Scheduled departure date (Europe/London)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
- Not available
Operating flight: UAL959
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 9 min early
London → Chicago
- 12 min early
London → Chicago
- 19 min early
London → Chicago
- 17 min early
London → Chicago
- 34 min early
London → Chicago
Flight history and details
Aug 29, 2026 — Sep 28, 2026
- Observed arrivals
- 23
- Arrivals over 15 minutes late
- 2
- Observed cancellations
- 1
- Observed occurrences
- 25
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 27, 2026Arrived | London | Chicago | -9 | |
| Sep 26, 2026Arrived | London | Chicago | -12 | |
| Sep 25, 2026Arrived | London | Chicago | -19 | |
| Sep 24, 2026Arrived | London | Chicago | -17 | |
| Sep 23, 2026Arrived | London | Chicago | -34 | |
| Sep 22, 2026Cancelled | London | Chicago | Not available | Not available |
| Sep 21, 2026Arrived | London | Chicago | -3 | |
| Sep 20, 2026Arrived | London | Chicago | -6 | |
| Sep 19, 2026Arrived | London | Chicago | -24 | |
| Sep 18, 2026Arrived | London | Chicago | -26 | |
| Sep 17, 2026Arrived | London | Chicago | -23 | |
| Sep 16, 2026Arrived | London | Chicago | 19 | |
| Sep 15, 2026Arrived | London | Chicago | -14 | |
| Sep 14, 2026Arrived | London | Chicago | 21 | |
| Sep 13, 2026Arrived | London | Chicago | -8 | |
| Sep 12, 2026Arrived | London | Chicago | -39 | |
| Sep 11, 2026Arrived | London | Chicago | -16 | |
| Sep 10, 2026Arrived | London | Chicago | -25 | |
| Sep 9, 2026Arrived | London | Chicago | -20 | |
| Sep 8, 2026Arrived | London | Chicago | -35 | |
| Sep 7, 2026Arrived | London | Chicago | -45 | |
| Sep 6, 2026Arrived | London | Chicago | -58 | |
| Sep 5, 2026Arrived | London | Chicago | -34 | |
| Sep 4, 2026Arrived | London | Chicago | -11 |