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UAL1661

IAD → EPS · Boeing 737 MAX 9 · United Airlines

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Flight

Status
In progress
Departure
Washington Dulles International Airport (IAD) — Washington, DC, United States
Departed
2026-10-02 15:50 UTC (first seen)
Arrival
Samana El Portillo Airport (EPS) — Samana, Dominican Republic (predicted)
Progress
90% · ~1m remaining
Distance flown
88 km
Straight-line distance
2312 km

Aircraft

Registration
N17428
Type
Boeing 737 MAX 9
Seats
179 total (117 Economy, 42 Economy Plus, 20 First) (typical for type, not this tail)

Altitude & speed

Max altitude
29,000 ft
Max ground speed
505 kt
Tracked
6m · 88 km
Note
still in progress - the track so far
Altitude (ft, max 29,000)
015,66031,3200m
Ground speed (kt, max 505)
02735450m
Altitude (ft, max 29,000)
015,66031,3200m
Ground speed (kt, max 505)
02735450m

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

United Airlines (UAL)

Latest flights

DepartedFlightRouteRegAircraftStatusDistance
2026-10-02 15:50 UTC UAL1661 IAD → EPS
Washington, DC → Samana
 N17428 Boeing 737 MAX 9 In progress ~2312 km est.
2026-10-02 13:05 UTC UAL1661 IAD → PUJ
Washington, DC → Punta Cana
 N17428 Boeing 737 MAX 9 Incomplete (signal lost) ~2608 km est. (769 km recorded)
2026-10-01 13:02 UTC UAL1661 IAD → PUJ
Washington, DC → Punta Cana
 N17565 Boeing 737 MAX 9 Incomplete (signal lost) ~2779 km est. (700 km recorded)
2026-09-30 13:07 UTC UAL1661 IAD → PUJ
Washington, DC → Punta Cana
 N17597 Boeing 737 MAX 9 Incomplete (signal lost) ~2565 km est. (663 km recorded)
2026-09-29 15:53 UTC UAL1661 IAD → EPS
Washington, DC → Samana
 N17583 Boeing 737 MAX 9 Incomplete (signal lost) 97 km
2026-09-29 13:02 UTC UAL1661 IAD → PUJ
Washington, DC → Punta Cana
 N17583 Boeing 737 MAX 9 Incomplete (signal lost) ~2572 km est. (964 km recorded)
2026-09-28 13:05 UTC UAL1661 IAD → PUJ
Washington, DC → Punta Cana
 N37549 Boeing 737 MAX 9 Incomplete (signal lost) ~2598 km est. (751 km recorded)
2026-09-27 15:59 UTC UAL1661 IAD → EPS
Washington, DC → Samana
 N27503 Boeing 737 MAX 9 Incomplete (signal lost) ~2966 km est. (1478 km recorded)
2026-09-27 12:54 UTC UAL1661 IAD → PUJ
Washington, DC → Punta Cana
 N27503 Boeing 737 MAX 9 Incomplete (signal lost) ~2649 km est. (919 km recorded)
2026-09-26 15:43 UTC UAL1661 IAD → EPS
Washington, DC → Samana
 N17448 Boeing 737 MAX 9 Incomplete (signal lost) 258 km
2026-09-26 12:47 UTC UAL1661 IAD → PUJ
Washington, DC → Punta Cana
 N17448 Boeing 737 MAX 9 Incomplete (signal lost) ~2720 km est. (1319 km recorded)
2026-09-25 16:06 UTC UAL1661 IAD → EPS
Washington, DC → Samana
 N17405 Boeing 737 MAX 9 Incomplete (signal lost) ~122 km est. (97 km recorded)
2026-09-25 13:08 UTC UAL1661 IAD → PUJ
Washington, DC → Punta Cana
 N17405 Boeing 737 MAX 9 Incomplete (signal lost) ~2676 km est. (963 km recorded)
2026-09-24 13:07 UTC UAL1661 IAD → PUJ
Washington, DC → Punta Cana
 N77582 Boeing 737 MAX 9 Incomplete (signal lost) ~2768 km est. (650 km recorded)
2026-09-23 16:24 UTC UAL1661 IAD → ?
Washington, DC → ?
 N17429 Boeing 737 MAX 9 Incomplete (signal lost) 413 km
2026-09-23 13:29 UTC UAL1661 IAD → PUJ
Washington, DC → Punta Cana
 N17429 Boeing 737 MAX 9 Incomplete (signal lost) ~2746 km est. (1355 km recorded)
2026-09-22 12:52 UTC UAL1661 IAD → PUJ
Washington, DC → Punta Cana
 N17405 Boeing 737 MAX 9 Incomplete (signal lost) ~3109 km est. (1887 km recorded)
2026-09-21 13:26 UTC UAL1661 IAD → PUJ
Washington, DC → Punta Cana
 N17557 Boeing 737 MAX 9 Incomplete (signal lost) 2744 km
2026-09-20 12:50 UTC UAL1661 IAD → PUJ
Washington, DC → Punta Cana
 N17594 Boeing 737-900 Incomplete (signal lost) 2910 km
2026-09-19 12:33 UTC UAL1661 IAD → PUJ
Washington, DC → Punta Cana
 N47275 Boeing 737 MAX 8 Incomplete (signal lost) 2722 km
2026-09-18 12:56 UTC UAL1661 IAD → PUJ
Washington, DC → Punta Cana
 N77592 Boeing 737 MAX 9 Incomplete (signal lost) 2604 km
2026-09-17 13:05 UTC UAL1661 IAD → PUJ
Washington, DC → Punta Cana
 N17420 Boeing 737 MAX 9 Incomplete (signal lost) 2671 km
2026-09-16 12:59 UTC UAL1661 IAD → PUJ
Washington, DC → Punta Cana
 N17417 Boeing 737 MAX 9 Incomplete (signal lost) 2622 km
2026-09-15 13:00 UTC UAL1661 IAD → PUJ
Washington, DC → Punta Cana
 N77559 Boeing 737 MAX 9 Incomplete (signal lost) 2685 km
2026-09-14 12:56 UTC UAL1661 IAD → PUJ
Washington, DC → Punta Cana
 N37560 Boeing 737 MAX 9 Incomplete (signal lost) 2633 km
2026-09-13 16:08 UTC UAL1661 IAD → EPS
Washington, DC → Samana
 N37540 Boeing 737 MAX 9 Completed (landing presumed) 275 km
2026-09-13 13:17 UTC UAL1661 IAD → PUJ
Washington, DC → Punta Cana
 N37540 Boeing 737 MAX 9 Incomplete (signal lost) ~2898 km est. (1616 km recorded)
2026-09-12 12:46 UTC UAL1661 IAD → EPS
Washington, DC → Samana
 N47280 Boeing 737 MAX 8 Completed (landing presumed) 2604 km
2026-09-11 13:12 UTC UAL1661 IAD → PUJ
Washington, DC → Punta Cana
 N77584 Boeing 737 MAX 9 Incomplete (signal lost) 2770 km
2026-09-10 13:12 UTC UAL1661 IAD → EPS
Washington, DC → Samana
 N17433 Boeing 737 MAX 9 Incomplete (signal lost) 2568 km
2026-09-09 12:57 UTC UAL1661 IAD → EPS
Washington, DC → Samana
 N17417 Boeing 737 MAX 9 Incomplete (signal lost) 2560 km
2026-09-08 12:55 UTC UAL1661 IAD → ?
Washington, DC → ?
 N37545 Boeing 737 MAX 9 Incomplete (signal lost) 214 km
2026-09-07 13:00 UTC UAL1661 IAD → EPS
Washington, DC → Samana
 N27503 Boeing 737 MAX 9 Incomplete (signal lost) 2512 km
2026-09-06 12:54 UTC UAL1661 IAD → EPS
Washington, DC → Samana
 N17407 Boeing 737 MAX 9 Completed 2451 km
2026-09-05 13:05 UTC UAL1661 IAD → EPS
Washington, DC → Samana
 N27515 Boeing 737 MAX 9 Incomplete (signal lost) 2487 km
2026-09-04 13:00 UTC UAL1661 IAD → EPS
Washington, DC → Samana
 N17583 Boeing 737 MAX 9 Incomplete (signal lost) ~2484 km est. (604 km recorded)
2026-09-03 13:47 UTC UAL1661 IAD → EPS
Washington, DC → Samana
 N77558 Boeing 737 MAX 9 Completed 2477 km
2026-09-01 12:54 UTC UAL1661 IAD → EPS
Washington, DC → Samana
 N27511 Boeing 737 MAX 9 Completed 2525 km
2026-08-31 12:44 UTC UAL1661 IAD → EPS
Washington, DC → Samana
 N37534 Boeing 737 MAX 9 Completed 3048 km
2026-08-30 12:50 UTC UAL1661 IAD → EPS
Washington, DC → Samana
 N37563 Boeing 737 MAX 9 Completed 2770 km
2026-08-29 12:53 UTC UAL1661 IAD → EPS
Washington, DC → Samana
 N37521 Boeing 737 MAX 9 Completed 2959 km
2026-08-28 12:47 UTC UAL1661 IAD → EPS
Washington, DC → Samana
 N37525 Boeing 737 MAX 9 Completed 2661 km
2026-08-27 13:50 UTC UAL1661 IAD → EPS
Washington, DC → Samana
 N17435 Boeing 737 MAX 9 Completed 3047 km
2026-08-26 13:14 UTC UAL1661 IAD → EPS
Washington, DC → Samana
 N17597 Boeing 737 MAX 9 Completed ~6590 km est. (4554 km recorded)
2026-08-25 12:48 UTC UAL1661 IAD → EPS
Washington, DC → Samana
 N17437 Boeing 737 MAX 9 Completed 2700 km
2026-08-24 13:08 UTC UAL1661 IAD → EPS
Washington, DC → Samana
 N77585 Boeing 737 MAX 9 Completed 3023 km
2026-08-23 12:51 UTC UAL1661 IAD → EPS
Washington, DC → Samana
 N47412 Boeing 737 MAX 9 Completed 3101 km
2026-08-22 13:07 UTC UAL1661 IAD → EPS
Washington, DC → Samana
 N17403 Boeing 737 MAX 9 Completed 3672 km
2026-08-21 13:19 UTC UAL1661 IAD → EPS
Washington, DC → Samana
 N47505 Boeing 737 MAX 9 Completed 3102 km
2026-08-19 12:57 UTC UAL1661 IAD → EPS
Washington, DC → Samana
 N17422 Boeing 737 MAX 9 Completed ~7915 km est. (5154 km recorded)

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