Is UA721 delayed?
No delay reported yet — UA721 is scheduled to leave Boston at 14:31 on Sep 27 and reach Dulles at 15:51 (as of Sep 27, 11:18 UTC). Over its last 30 recorded arrivals, 8 landed more than 15 min late.
No live update yet
Showing the published schedule until live times are reported.
Update time unavailable
Departure
Boston
BOS
Scheduled
Sep 27
Arrival
Dulles
IAD
Scheduled
Sep 27
Times shown in airport local time
Service date: · Scheduled departure date (America/New_York)
Think UA721 runs late today? Delayed is trading at 24¢ — pays out x4.20.
Will United Airlines UAL 721 from Boston to Dulles arrive on time, be delayed, or be cancelled on Sep 27?Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- 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.
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- On schedule (5 min behind)
BOS → IAD
- On schedule (7 min behind)
BOS → IAD
- 7 min early
BOS → IAD
- On schedule (3 min behind)
BOS → IAD
- 34 min late
BOS → IAD
Flight history and details
Aug 28, 2026 — Sep 27, 2026
- Observed arrivals
- 30
- Arrivals over 15 minutes late
- 8
- Observed cancellations
- 0
- Observed occurrences
- 31
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 26, 2026Arrived | Boston | Dulles | 5 | |
| Sep 25, 2026Arrived | Boston | Dulles | 7 | |
| Sep 24, 2026Arrived | Boston | Dulles | -7 | |
| Sep 23, 2026Arrived | Boston | Dulles | 3 | |
| Sep 22, 2026Arrived | Boston | Dulles | 34 | |
| Sep 21, 2026Arrived | Boston | Dulles | 396 | |
| Sep 20, 2026Arrived | Boston | Dulles | 37 | |
| Sep 19, 2026Arrived | Boston | Dulles | -6 | |
| Sep 18, 2026Arrived | Boston | Dulles | 0 | |
| Sep 17, 2026Arrived | Boston | Dulles | -8 | |
| Sep 16, 2026Arrived | Boston | Dulles | 11 | |
| Sep 15, 2026Arrived | Boston | Dulles | -6 | |
| Sep 14, 2026Arrived | Boston | Dulles | 20 | |
| Sep 13, 2026Arrived | Boston | Dulles | 15 | |
| Sep 12, 2026Arrived | Boston | Dulles | -6 | |
| Sep 11, 2026Arrived | Boston | Dulles | 3 | |
| Sep 10, 2026Arrived | Boston | Dulles | -1 | |
| Sep 9, 2026Arrived | Boston | Dulles | 2 | |
| Sep 8, 2026Arrived | Boston | Dulles | 6 | |
| Sep 7, 2026Arrived | Boston | Dulles | -11 | |
| Sep 6, 2026Arrived | Boston | Dulles | -17 | |
| Sep 5, 2026Arrived | Boston | Dulles | -9 | |
| Sep 4, 2026Arrived | Boston | Dulles | -10 | |
| Sep 3, 2026Arrived | Boston | Dulles | -18 | |
| Sep 2, 2026Arrived | Boston | Dulles | 218 | |
| Sep 1, 2026Arrived | Boston | Dulles | -18 | |
| Aug 31, 2026Arrived | Boston | Dulles | -11 | |
| Aug 30, 2026Arrived | Boston | Dulles | 19 | |
| Aug 29, 2026Arrived | Boston | Dulles | 12 | |
| Aug 28, 2026Arrived | Boston | Dulles | 42 |