Is UA2278 delayed?
Each route and date is shown separately. Confirm that both airports match your booking.
Service date: · Scheduled departure date (America/Los_Angeles)
12 min early
Official source · Updated
Departure
San Francisco
SFO
Actual
Sep 20
Arrival
Chicago
ORD
Actual
Sep 21
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.
Service date: · Scheduled departure date (America/Los_Angeles)
20 min late
Official source · Updated
Departure
San Diego
SAN
Actual
Sep 20
Arrival
San Francisco
SFO
Actual
Sep 20
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 12 min early
SFO → ORD
- 20 min late
SAN → SFO
- 33 min late
SFO → ORD
- 22 min early
SAN → SFO
- 8 min late
SFO → ORD
Flight history and details
Aug 22, 2026 — Sep 21, 2026
- Observed arrivals
- 47
- Arrivals over 15 minutes late
- 14
- Observed cancellations
- 2
- Observed occurrences
- 50
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 20, 2026Arrived | San Francisco | Chicago | -12 | |
| Sep 20, 2026Arrived | San Diego | San Francisco | 20 | |
| Sep 19, 2026Arrived | San Francisco | Chicago | 33 | |
| Sep 19, 2026Arrived | San Diego | San Francisco | -22 | |
| Sep 18, 2026Arrived | San Francisco | Chicago | 8 | |
| Sep 18, 2026Arrived | San Diego | San Francisco | 73 | |
| Sep 17, 2026Arrived | San Francisco | Chicago | -7 | |
| Sep 17, 2026Arrived | San Diego | San Francisco | 26 | |
| Sep 16, 2026Arrived | San Francisco | Chicago | 28 | |
| Sep 15, 2026Arrived | San Francisco | Chicago | -9 | |
| Sep 14, 2026Arrived | San Francisco | Chicago | 13 | |
| Sep 14, 2026Arrived | San Diego | San Francisco | 55 | |
| Sep 13, 2026Arrived | San Francisco | Chicago | -44 | |
| Sep 12, 2026Arrived | San Francisco | Chicago | -36 | |
| Sep 12, 2026Arrived | San Diego | San Francisco | 16 | |
| Sep 11, 2026Arrived | San Francisco | Chicago | -23 | |
| Sep 10, 2026Arrived | San Francisco | Chicago | -29 | |
| Sep 9, 2026Arrived | San Francisco | Chicago | -33 | |
| Sep 8, 2026Arrived | San Francisco | Chicago | -2 | |
| Sep 7, 2026Arrived | San Francisco | Chicago | -24 | |
| Sep 7, 2026Arrived | San Diego | San Francisco | 85 | |
| Sep 6, 2026Arrived | San Francisco | Chicago | -25 | |
| Sep 5, 2026Arrived | San Francisco | Chicago | -47 | |
| Sep 5, 2026Arrived | San Diego | San Francisco | -30 | |
| Sep 4, 2026Arrived | San Francisco | Chicago | -58 | |
| Sep 4, 2026Arrived | San Diego | San Francisco | 92 | |
| Sep 3, 2026Arrived | San Francisco | Chicago | -30 | |
| Sep 3, 2026Arrived | San Diego | San Francisco | 46 | |
| Sep 2, 2026Arrived | San Francisco | Chicago | -35 | |
| Sep 1, 2026Arrived | San Francisco | Chicago | -36 | |
| Sep 1, 2026Cancelled | San Diego | Not available | Not available | |
| Aug 31, 2026Arrived | San Francisco | Chicago | -25 | |
| Aug 31, 2026Arrived | San Diego | San Francisco | 67 | |
| Aug 30, 2026Arrived | San Francisco | Chicago | -25 | |
| Aug 30, 2026Arrived | San Diego | San Francisco | 17 | |
| Aug 29, 2026Arrived | San Francisco | Chicago | -9 | |
| Aug 29, 2026Arrived | San Diego | San Francisco | -32 | |
| Aug 28, 2026Arrived | San Francisco | Chicago | -35 | |
| Aug 28, 2026Arrived | San Diego | San Francisco | -29 | |
| Aug 27, 2026Arrived | San Francisco | Chicago | 74 | |
| Aug 27, 2026Arrived | San Diego | San Francisco | 2 | |
| Aug 26, 2026Arrived | San Francisco | Chicago | -31 | |
| Aug 25, 2026Arrived | San Francisco | Chicago | -35 | |
| Aug 25, 2026Cancelled | San Diego | Not available | Not available | |
| Aug 24, 2026Arrived | San Francisco | Chicago | -47 | |
| Aug 24, 2026Arrived | San Diego | San Francisco | 9 | |
| Aug 23, 2026Arrived | San Francisco | Chicago | -27 | |
| Aug 23, 2026Arrived | San Diego | San Francisco | 26 | |
| Aug 22, 2026Arrived | San Diego | San Francisco | -28 |