Is UA1577 delayed?
No — UA1577 landed in Chicago 14 min early, at 11:26 on Oct 1 (as of Oct 1, 18:46 UTC).
Usually on time: arrived within 15 min of schedule on 49 of the last 61 flights.
Each route and date is shown separately. Confirm that both airports match your booking.
14 min early
Official source · Updated
Departure
Knoxville
TYS
Actual
Scheduled 10:42
Oct 1
Arrival
Chicago
ORD
Actual
Scheduled 11:40
Oct 1
Times shown in airport local time
Service date: · Scheduled departure date (America/New_York)
Market settled: On 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.
34 min early
Official source · Updated
Departure
Chicago
ORD
Actual
Oct 1
Arrival
San Francisco
SFO
Actual
Scheduled 17:20
Oct 1
Times shown in airport local time
Service date: · Actual departure date; scheduled departure unavailable (America/Chicago)
Flight details
Departure · UTC
- Scheduled
- Not available
- 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.
11 min early
Official source · Updated
Departure
San Francisco
SFO
Scheduled
Oct 1
Arrival
San Diego
SAN
Actual
Scheduled 20:45
Oct 1
Times shown in airport local time
Service date: · Scheduled departure date (America/Los_Angeles)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- 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.
Also sold as AC5081, NH7191, NZ2950, NZ9326, LH9178, VA8095
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 11 min early
San Francisco → San Diego
- 34 min early
Chicago → San Francisco
- 14 min early
Knoxville → Chicago
- 2 min early
San Francisco → San Diego
- 19 min early
Chicago → San Francisco
Is UA1577 usually late?
Observation window: Sep 2, 2026 – Oct 2, 2026
On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
At the airports today
Chicago (ORD) departures
- Left more than 15 min late
- 0 of 0
- Cancelled today
- 9
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Oct 1, 2026Arrived | San Francisco | San Diego | -11 | |
| Oct 1, 2026Arrived | Chicago | San Francisco | -34 | |
| Oct 1, 2026Arrived | Knoxville | Chicago | -14 | |
| Sep 30, 2026Arrived | San Francisco | San Diego | -2 | |
| Sep 30, 2026Arrived | Chicago | San Francisco | -19 | |
| Sep 30, 2026Arrived | Knoxville | Chicago | -9 | |
| Sep 29, 2026Arrived | San Francisco | San Diego | -20 | |
| Sep 29, 2026Arrived | Chicago | San Francisco | -20 | |
| Sep 29, 2026Arrived | Knoxville | Chicago | -21 | |
| Sep 28, 2026Arrived | Knoxville | Chicago | -3 | |
| Sep 27, 2026Arrived | Chicago | San Francisco | 126 | |
| Sep 27, 2026Arrived | Knoxville | Chicago | 144 | |
| Sep 26, 2026Arrived | Chicago | San Francisco | 129 | |
| Sep 26, 2026Arrived | Knoxville | Chicago | -27 | |
| Sep 25, 2026Arrived | San Francisco | San Diego | -38 | |
| Sep 25, 2026Arrived | Chicago | San Francisco | -8 | |
| Sep 25, 2026Arrived | Knoxville | Chicago | -24 | |
| Sep 24, 2026Arrived | San Francisco | San Diego | -21 | |
| Sep 24, 2026Arrived | Chicago | San Francisco | -19 | |
| Sep 24, 2026Arrived | Knoxville | Chicago | -28 | |
| Sep 23, 2026Arrived | San Francisco | San Diego | 4 | |
| Sep 23, 2026Arrived | Chicago | San Francisco | -16 | |
| Sep 22, 2026Arrived | San Francisco | San Diego | 7 | |
| Sep 22, 2026Arrived | Chicago | San Francisco | -6 | |
| Sep 21, 2026Arrived | Chicago | San Francisco | 76 | |
| Sep 20, 2026Arrived | San Francisco | San Diego | 57 | |
| Sep 20, 2026Arrived | Chicago | San Francisco | -2 | |
| Sep 19, 2026Arrived | San Francisco | San Diego | -11 | |
| Sep 19, 2026Arrived | Chicago | San Francisco | 45 | |
| Sep 18, 2026Arrived | San Francisco | San Diego | 7 | |
| Sep 18, 2026Arrived | Chicago | San Francisco | -17 | |
| Sep 17, 2026Arrived | San Francisco | San Diego | -21 | |
| Sep 17, 2026Arrived | Chicago | San Francisco | 40 | |
| Sep 16, 2026Arrived | San Francisco | San Diego | -9 | |
| Sep 16, 2026Arrived | Chicago | San Francisco | 10 | |
| Sep 15, 2026Arrived | Chicago | San Francisco | 94 | |
| Sep 14, 2026Arrived | San Francisco | San Diego | -3 | |
| Sep 14, 2026Arrived | Chicago | San Francisco | -5 | |
| Sep 13, 2026Arrived | San Francisco | San Diego | 19 | |
| Sep 13, 2026Arrived | Chicago | San Francisco | -4 | |
| Sep 12, 2026Arrived | San Francisco | San Diego | -18 | |
| Sep 12, 2026Arrived | Chicago | San Francisco | -16 | |
| Sep 11, 2026Arrived | San Francisco | San Diego | 0 | |
| Sep 11, 2026Arrived | Chicago | San Francisco | -15 | |
| Sep 10, 2026Arrived | San Francisco | San Diego | -3 | |
| Sep 10, 2026Arrived | Chicago | San Francisco | -6 | |
| Sep 9, 2026Arrived | San Francisco | San Diego | -17 | |
| Sep 9, 2026Arrived | Chicago | San Francisco | -7 | |
| Sep 8, 2026Arrived | San Francisco | San Diego | -17 | |
| Sep 8, 2026Arrived | Chicago | San Francisco | -7 | |
| Sep 7, 2026Arrived | San Francisco | San Diego | 24 | |
| Sep 7, 2026Arrived | Chicago | San Francisco | -14 | |
| Sep 6, 2026Arrived | Chicago | San Francisco | 128 | |
| Sep 5, 2026Arrived | San Francisco | San Diego | -14 | |
| Sep 5, 2026Arrived | Chicago | San Francisco | -12 | |
| Sep 4, 2026Arrived | San Francisco | San Diego | 3 | |
| Sep 4, 2026Arrived | Chicago | San Francisco | -32 | |
| Sep 3, 2026Arrived | San Francisco | San Diego | -19 | |
| Sep 3, 2026Arrived | Chicago | San Francisco | 7 | |
| Sep 2, 2026Arrived | San Francisco | San Diego | 156 | |
| Sep 2, 2026Arrived | Chicago | San Francisco | -10 |
Email me if UA1577 runs late
We email you if your next UA1577 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.