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UAL646

ORD → YUL · Boeing 737 MAX 8 · United Airlines

For travellers

Departure · Chicago (ORD)

Terminal 1 · Gate C29
Scheduled 23 Sep 14:01 · Departed 23 Sep 13:54 · early
Board status: Active
Airborne since 23 Sep 14:01 (ADS-B)

Board data from ord, updated 14093 min ago; times local to each airport.

Flight

Status
Completed
Arrival confirmed via
ADS-B (callsign change)
Departure
Chicago O'Hare International Airport (ORD) — Chicago, United States
Scheduled departure
2026-09-23 19:01 UTC
Departed
2026-09-23 19:01 UTC
Arrival
Montreal / Pierre Elliott Trudeau International Airport (YUL) — Montréal, Canada
Also flies as
UA646
Codeshares
AC3335, CM2819, EK6670, NH7804, NZ9856
Distance flown
1245 km
Straight-line distance
1201 km
Approach distance
76 km

Aircraft

Registration
N17312
Type
Boeing 737 MAX 8
Seats
166 total (16 Business, 150 Economy)
CO2 (EMEP est., total)
26.6 t (205 kg/pax Business, 156 kg/pax Economy)

Altitude & speed

Max altitude
37,000 ft
Max ground speed
475 kt
Tracked
3h 37m · 1,236 km
Altitude (ft, max 37,000)
019,98039,9600m30m1h 0m1h 30m2h 0m2h 30m3h 0m3h 30m
Ground speed (kt, max 475)
02565130m30m1h 0m1h 30m2h 0m2h 30m3h 0m3h 30m
Altitude (ft, max 37,000)
019,98039,9600m1h 0m2h 0m3h 0m
Ground speed (kt, max 475)
02565130m1h 0m2h 0m3h 0m

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
2026-10-03 11:44 UTC UAL646 EWR → SLC
Newark → Salt Lake City
 N27509 Boeing 737 MAX 9 Completed 3361 km
2026-10-02 11:53 UTC UAL646 EWR → SLC
Newark → Salt Lake City
 N17565 Boeing 737 MAX 9 Completed 3316 km
2026-10-01 11:31 UTC UAL646 EWR → SLC
Newark → Salt Lake City
 N57299 Boeing 737 MAX 8 Completed 3456 km
2026-09-30 11:32 UTC UAL646 EWR → SLC
Newark → Salt Lake City
 N37297 Boeing 737 MAX 8 Completed 3436 km
2026-09-29 11:58 UTC UAL646 EWR → SLC
Newark → Salt Lake City
 N17254 Boeing 737 MAX 8 Completed 3348 km
2026-09-28 11:46 UTC UAL646 EWR → SLC
Newark → Salt Lake City
 N17300 Boeing 737 MAX 8 Completed 3426 km
2026-09-27 11:50 UTC UAL646 EWR → SLC
Newark → Salt Lake City
 N17356 Boeing 737 MAX 8 Completed 3345 km
2026-09-25 11:42 UTC UAL646 EWR → SLC
Newark → Salt Lake City
 N47291 Boeing 737 MAX 8 Completed 3343 km
2026-09-24 11:38 UTC UAL646 EWR → SLC
Newark → Salt Lake City
 N17356 Boeing 737 MAX 8 Completed 3322 km
2026-09-23 19:01 UTC UAL646 ORD → YUL
Chicago → Montréal
 N17312 Boeing 737 MAX 8 Completed 1245 km
2026-09-22 19:14 UTC UAL646 ORD → YUL
Chicago → Montréal
 N27276 Boeing 737 MAX 8 Completed 1240 km
2026-09-21 19:37 UTC UAL646 ORD → YUL
Chicago → Montréal
 N17312 Boeing 737 MAX 8 Completed 1239 km
2026-09-20 19:11 UTC UAL646 ORD → YUL
Chicago → Montréal
 N27269 Boeing 737 MAX 8 Completed 1287 km
2026-09-19 20:59 UTC UAL646 ORD → YUL
Chicago → Montréal
 N17363 Boeing 737 MAX 8 Completed 1347 km
2026-09-18 19:14 UTC UAL646 ORD → YUL
Chicago → Montréal
 N47332 Boeing 737 MAX 8 Completed 1352 km
2026-09-17 20:56 UTC UAL646 ORD → YUL
Chicago → Montréal
 N27323 Boeing 737 MAX 8 Completed 1384 km
2026-09-16 19:03 UTC UAL646 ORD → YUL
Chicago → Montréal
 N27334 Boeing 737 MAX 8 Completed 1352 km
2026-09-15 20:51 UTC UAL646 ORD → YUL
Chicago → Montréal
 N17363 Boeing 737 MAX 8 Completed 1417 km
2026-09-14 19:15 UTC UAL646 ORD → YUL
Chicago → Montréal
 N47291 Boeing 737 MAX 8 Completed 1368 km
2026-09-13 20:23 UTC UAL646 ORD → YUL
Chicago → Montréal
 N17346 Boeing 737 MAX 8 Completed 1768 km
2026-09-12 19:46 UTC UAL646 ORD → YUL
Chicago → Montréal
 N27276 Boeing 737 MAX 8 Completed 1359 km
2026-09-11 20:48 UTC UAL646 ORD → YUL
Chicago → Montréal
 N37325 Boeing 737 MAX 8 Completed 1351 km
2026-09-10 19:04 UTC UAL646 ORD → YUL
Chicago → Montréal
 N27292 Boeing 737 MAX 8 Completed 1380 km
2026-09-09 18:55 UTC UAL646 ORD → YUL
Chicago → Montréal
 N37353 Boeing 737 MAX 8 Completed 1388 km
2026-09-07 19:38 UTC UAL646 ORD → YUL
Chicago → Montréal
 N67350 Boeing 737 MAX 8 Completed 1360 km
2026-09-06 20:14 UTC UAL646 ORD → YUL
Chicago → Montréal
 N27274 Boeing 737 MAX 8 Completed 1290 km
2026-09-05 19:21 UTC UAL646 ORD → YUL
Chicago → Montréal
 N27267 Boeing 737 MAX 8 Completed 1311 km
2026-09-04 19:47 UTC UAL646 ORD → YUL
Chicago → Montréal
 N27290 Boeing 737 MAX 8 Completed 1251 km
2026-09-03 19:37 UTC UAL646 ORD → YUL
Chicago → Montréal
 N27270 Boeing 737 MAX 8 Completed 1652 km
2026-09-02 19:07 UTC UAL646 ORD → YUL
Chicago → Montréal
 N77259 Boeing 737 MAX 8 Completed 1488 km
2026-09-01 20:07 UTC UAL646 ORD → YUL
Chicago → Montréal
 N17272 Boeing 737 MAX 7 Completed 1308 km
2026-08-31 22:33 UTC UAL646 ORD → YUL
Chicago → Montréal
 N47298 Boeing 737 MAX 8 Completed 1404 km
2026-08-30 19:43 UTC UAL646 ORD → YUL
Chicago → Montréal
 N17346 Boeing 737 MAX 8 Completed 1318 km
2026-08-29 19:32 UTC UAL646 ORD → YUL
Chicago → Montréal
 N17317 Boeing 737 MAX 8 Completed 1349 km
2026-08-28 20:02 UTC UAL646 ORD → YUL
Chicago → Montréal
 N67350 Boeing 737 MAX 8 Completed 1356 km
2026-08-27 21:56 UTC UAL646 ORD → YUL
Chicago → Montréal
 N27267 Boeing 737 MAX 8 Completed 1339 km
2026-08-26 19:28 UTC UAL646 ORD → YUL
Chicago → Montréal
 N47357 Boeing 737 MAX 8 Completed 1442 km
2026-08-25 19:31 UTC UAL646 ORD → YUL
Chicago → Montréal
 N27277 Boeing 737 MAX 8 Completed 1396 km
2026-08-24 20:48 UTC UAL646 ORD → YUL
Chicago → Montréal
 N47369 Boeing 737 MAX 8 Completed 1328 km
2026-08-23 19:25 UTC UAL646 ORD → YUL
Chicago → Montréal
 N17301 Boeing 737 MAX 8 Completed 1825 km
2026-08-22 19:28 UTC UAL646 ORD → YUL
Chicago → Montréal
 N17333 Boeing 737 MAX 8 Completed 1809 km
2026-08-21 19:03 UTC UAL646 ORD → YUL
Chicago → Montréal
 N17311 Boeing 737 MAX 8 Completed 2028 km
2026-08-20 21:12 UTC UAL646 ORD → YUL
Chicago → Montréal
 N17312 Boeing 737 MAX 8 Completed ~4171 km est. (1547 km recorded)
2026-08-19 19:33 UTC UAL646 ORD → YUL
Chicago → Montréal
 N37352 Boeing 737 MAX 8 Completed ~4937 km est. (3807 km recorded)
2026-08-18 19:01 UTC UAL646 ORD → YUL
Chicago → Montréal
 N47293 Boeing 737 MAX 8 Completed ~4505 km est. (3045 km recorded)
2026-08-17 19:15 UTC UAL646 ORD → YUL
Chicago → Montréal
 N37273 Boeing 737-800 Completed 1550 km
2026-08-16 20:22 UTC UAL646 ORD → YUL
Chicago → Montréal
 N37295 Boeing 737 MAX 8 Completed 1828 km
2026-08-15 19:31 UTC UAL646 ORD → YUL
Chicago → Montréal
 N47282 Boeing 737 MAX 8 Completed ~5158 km est. (1812 km recorded)
2026-08-14 19:27 UTC UAL646 ORD → YUL
Chicago → Montréal
 N27267 Boeing 737 MAX 8 Completed ~5886 km est. (1822 km recorded)
2026-08-12 19:29 UTC UAL646 ORD → YUL
Chicago → Montréal
 N37305 Boeing 737 MAX 8 Completed 1947 km

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