Is UA2400 delayed?
Yes — UA2400 is running 65 min late, now expected in San Francisco at 22:53 on Sep 30.
Usually on time: arrived within 15 min of schedule on 23 of the last 31 flights.
65 min late
This update may be out of date. Check with your airline.
Update time unavailable
Departure
Boston
BOS
Scheduled
Not available
Arrival
San Francisco
SFO
Estimated
Scheduled 21:48
Sep 30
Times shown in airport local time
Service date: · Scheduled arrival date; departure time unavailable (America/Los_Angeles)
Think UA2400 runs late today? Delayed is trading at 50¢ — pays out x2.00.
Will United Airlines UA 2400 from Boston to San Francisco arrive on time, be delayed, or be cancelled on Oct 1?Flight details
Departure · UTC
- Scheduled
- Not available
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Actual
- Not available
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 OZ9530, NZ9024, NZ9366, AZ4385, VA8238, VA8312, VA8451
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 26 min early
Boston → San Francisco
- 643 min late
San Francisco → Las Vegas
- 35 min early
San Francisco → Las Vegas
- 14 min early
Boston → San Francisco
- <1 min early
San Francisco → Las Vegas
Is UA2400 usually late?
Observation window: Sep 1, 2026 – Oct 1, 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
Boston (BOS) departures
- Left more than 15 min late
- 1 of 1
- Cancelled today
- 0
San Francisco (SFO) departures
- Left more than 15 min late
- 181 of 482
- Cancelled today
- 1
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 29, 2026Arrived | Boston | San Francisco | -26 | |
| Sep 27, 2026Arrived | San Francisco | Las Vegas | 643 | |
| Sep 27, 2026Cancelled | Boston | San Francisco | Not available | Not available |
| Sep 26, 2026Arrived | San Francisco | Las Vegas | -35 | |
| Sep 26, 2026Arrived | Boston | San Francisco | -14 | |
| Sep 25, 2026Arrived | San Francisco | Las Vegas | 0 | |
| Sep 25, 2026Arrived | Boston | San Francisco | -16 | |
| Sep 24, 2026Arrived | San Francisco | Las Vegas | -9 | |
| Sep 24, 2026Arrived | Boston | San Francisco | -8 | |
| Sep 23, 2026Arrived | San Francisco | Las Vegas | -8 | |
| Sep 23, 2026Arrived | Philadelphia | San Francisco | -38 | |
| Sep 22, 2026Arrived | San Francisco | Las Vegas | -15 | |
| Sep 21, 2026Arrived | Philadelphia | San Francisco | 86 | |
| Sep 20, 2026Arrived | Philadelphia | San Francisco | 52 | |
| Sep 17, 2026Arrived | San Francisco | Las Vegas | 45 | |
| Sep 17, 2026Arrived | Philadelphia | San Francisco | -9 | |
| Sep 16, 2026Arrived | San Francisco | Las Vegas | -22 | |
| Sep 16, 2026Arrived | Philadelphia | San Francisco | 15 | |
| Sep 15, 2026Arrived | San Francisco | Las Vegas | -17 | |
| Sep 14, 2026Arrived | San Francisco | Las Vegas | -21 | |
| Sep 14, 2026Arrived | Philadelphia | San Francisco | -18 | |
| Sep 13, 2026Arrived | Philadelphia | San Francisco | 21 | |
| Sep 11, 2026Arrived | San Francisco | Las Vegas | -3 | |
| Sep 10, 2026Arrived | San Francisco | Las Vegas | -2 | |
| Sep 9, 2026Arrived | San Francisco | Las Vegas | -9 | |
| Sep 9, 2026Arrived | Philadelphia | San Francisco | -12 | |
| Sep 8, 2026Arrived | San Francisco | Las Vegas | -29 | |
| Sep 7, 2026Arrived | San Francisco | Las Vegas | -22 | |
| Sep 7, 2026Arrived | Boston | San Francisco | -6 | |
| Sep 4, 2026Arrived | Boston | San Francisco | 36 | |
| Sep 3, 2026Arrived | Boston | San Francisco | 175 | |
| Sep 2, 2026Arrived | Boston | San Francisco | 50 |
Email me if UA2400 runs late
We email you if your next UA2400 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.