Is AC4200 delayed?
No — AC4200 landed in Chicago 20 min early, at 04:44 on Sep 26 (as of Sep 26, 12:07 UTC). Over its last 14 recorded arrivals, 1 landed more than 15 min late.
20 min early
Official source · Updated
Departure
San Francisco
SFO
Actual
Sep 25
Arrival
Chicago
ORD
Actual
Sep 26
Times shown in airport local time
Service date: · Scheduled departure date (America/Los_Angeles)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
Operating flight: UAL2278
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Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 20 min early
SFO → ORD
- 28 min early
SFO → ORD
- 31 min early
SFO → ORD
- 33 min late
SFO → ORD
- 8 min early
SFO → ORD
Flight history and details
Aug 27, 2026 — Sep 26, 2026
- Observed arrivals
- 14
- Arrivals over 15 minutes late
- 1
- Observed cancellations
- 0
- Observed occurrences
- 14
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 25, 2026Arrived | San Francisco | Chicago | -20 | |
| Sep 24, 2026Arrived | San Francisco | Chicago | -28 | |
| Sep 23, 2026Arrived | San Francisco | Chicago | -31 | |
| Sep 19, 2026Arrived | San Francisco | Chicago | 33 | |
| Sep 18, 2026Arrived | San Francisco | Chicago | -8 | |
| Sep 17, 2026Arrived | San Francisco | Chicago | -23 | |
| Sep 16, 2026Arrived | San Francisco | Chicago | -41 | |
| Sep 13, 2026Arrived | San Francisco | Chicago | -44 | |
| Sep 12, 2026Arrived | San Francisco | Chicago | -52 | |
| Sep 11, 2026Arrived | San Francisco | Chicago | -39 | |
| Sep 10, 2026Arrived | San Francisco | Chicago | -45 | |
| Sep 9, 2026Arrived | San Francisco | Chicago | -53 | |
| Sep 8, 2026Arrived | San Francisco | Chicago | -18 | |
| Sep 3, 2026Arrived | San Francisco | Chicago | -30 |