Flight
UAL521T
Flight history and live tracking for UAL521T, operated by United Airlines. Recent flights from the PlaneTrack independent receiver network, with departure and arrival times, aircraft used, and a real-time position feed.
Route
| Airline | United Airlines |
| Typical origin | KIAH GEORGE BUSH INTCNTL HOUSTON |
| Typical destination | KBOS GENERAL EDWARD LAWRENCE LOGAN INTERNATIONAL |
| Distance | 1,387 nm |
Flight history 7 flights since Mar 2026
| Date | From | To | Dep | Arr | Duration | Aircraft |
|---|---|---|---|---|---|---|
| No flights in the last 30 days. | ||||||
Earlier flights (7) - back to 2026-03-08
| Date | From | To | Dep | Arr | Duration | Aircraft |
|---|---|---|---|---|---|---|
| 2026-05-06 | KBPT | KBOS | 19:00 CDT | 23:14 EDT | 3h 13m | N76526 |
| 2026-05-02 | KIAH | KBOS | 21:02 CDT | 00:50 EDT | 2h 47m | A12712 |
| 2026-04-26 | KIAH | KBOS | 19:14 CDT | 23:28 EDT | 3h 14m | N472UA |
| 2026-04-23 | KIAH | KBOS | 19:17 CDT | 23:54 EDT | 3h 36m | A55FA2 |
| 2026-04-12 | ? | KBOS | 00:02Z | 23:10 EDT | 3h 07m | N448UA |
| 2026-03-12 | KIAH | KBOS | 21:35 CDT | 01:52 EDT | 3h 16m | N57286 |
| 2026-03-08estimated | ? | KBOS | 02:51Z | 01:27 EST | 3h 35m | N26208 |
Times are local to each airport. Hover for UTC. Flights marked estimated were completed with route prediction or partial coverage; partial records have a confirmed departure but no reliable arrival fix.
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Data access
Live positions and 365-day history for this flight are available through the PlaneTrack API (commercial use from $29/month) and as one-off CSV extracts from our archive (from $9.99, with a free one-day sample). Questions: [email protected]