United Airlines
Is UA2400 delayed?
No delay reported yet. UA2400 is scheduled to leave Boston at 18:20 on Nov 14 and reach San Francisco at 21:44 (as of Nov 14, 16:13 UTC).
Usually on time: arrived within 15 min of schedule on 27 of the last 33 flights.
Each route and date is shown separately. Confirm that both airports match your booking.
No live update yet
Showing the published schedule until live times come in.
Update time unavailable
Departure
Boston
BOS
Scheduled
Nov 14
Arrival
San Francisco
SFO
Scheduled
Nov 14
Times shown in airport local time
Service date: · Scheduled departure date (America/New_York)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
No live update yet
Showing the published schedule until live times come in.
Update time unavailable
Departure
San Francisco
SFO
Scheduled
Nov 14
Arrival
Las Vegas
LAS
Scheduled
Nov 15
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
- Not available
Also sold as OZ9530, NZ9024, AZ4385, VA8312
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 21 min late
San Francisco → Las Vegas
- On schedule (10 min behind)
Boston → San Francisco
- 18 min early
San Francisco → Las Vegas
- 17 min early
Boston → San Francisco
- 19 min early
San Francisco → Las Vegas
Is UA2400 usually late?
Period: Oct 15, 2026 – Nov 14, 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. Compares scheduled and actual arrival times. Cancelled and diverted flights are left out. Some flights may be missing.
At the airports today
Boston (BOS) departures
- Left more than 15 min late
- 28 of 55
- Cancelled today
- 53
San Francisco (SFO) departures
- Left more than 15 min late
- 25 of 49
- Cancelled today
- 41
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Nov 13, 2026Cancelled | Boston | San Francisco | Not available | Not available |
| Nov 12, 2026Arrived | San Francisco | Las Vegas | 21 | |
| Nov 12, 2026Arrived | Boston | San Francisco | 10 | |
| Nov 11, 2026Arrived | San Francisco | Las Vegas | -18 | |
| Nov 11, 2026Arrived | Boston | San Francisco | -17 | |
| Nov 10, 2026Arrived | San Francisco | Las Vegas | -19 | |
| Nov 10, 2026Arrived | Boston | San Francisco | -7 | |
| Nov 9, 2026Arrived | San Francisco | Las Vegas | -13 | |
| Nov 9, 2026Arrived | Boston | San Francisco | -11 | |
| Nov 8, 2026Arrived | San Francisco | Las Vegas | 38 | |
| Nov 8, 2026Arrived | Boston | San Francisco | -2 | |
| Nov 7, 2026Arrived | San Francisco | Las Vegas | -32 | |
| Nov 7, 2026Arrived | Boston | San Francisco | -31 | |
| Nov 6, 2026Arrived | San Francisco | Las Vegas | 20 | |
| Nov 6, 2026Arrived | Boston | San Francisco | -20 | |
| Nov 5, 2026Arrived | San Francisco | Las Vegas | 5 | |
| Nov 5, 2026Arrived | Boston | San Francisco | -17 | |
| Nov 4, 2026Arrived | San Francisco | Las Vegas | -23 | |
| Nov 4, 2026Arrived | Boston | San Francisco | -55 | |
| Nov 3, 2026Arrived | San Francisco | Las Vegas | -25 | |
| Nov 1, 2026Arrived | San Francisco | Las Vegas | 10 | |
| Oct 31, 2026Arrived | San Francisco | Las Vegas | -10 | |
| Oct 30, 2026Arrived | San Francisco | Las Vegas | -16 | |
| Oct 29, 2026Arrived | San Francisco | Las Vegas | 2 | |
| Oct 28, 2026Arrived | San Francisco | Las Vegas | -16 | |
| Oct 27, 2026Arrived | San Francisco | Las Vegas | -18 | |
| Oct 26, 2026Arrived | San Francisco | Las Vegas | 52 | |
| Oct 25, 2026Arrived | San Francisco | Las Vegas | -6 | |
| Oct 24, 2026Arrived | San Francisco | Las Vegas | -21 | |
| Oct 23, 2026Arrived | San Francisco | Las Vegas | -13 | |
| Oct 18, 2026Arrived | San Francisco | Las Vegas | -11 | |
| Oct 17, 2026Arrived | San Francisco | Las Vegas | -1 | |
| Oct 16, 2026Arrived | San Francisco | Las Vegas | 18 | |
| Oct 15, 2026Arrived | San Francisco | Las Vegas | 20 |