Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL2171

Operated by United Airlines

Live map

Live map filtered to UAL2171. Shown when the flight is currently airborne.

Route airports View route page →

Departure

GRR KGRR VFR

Gerald R. Ford International Airport

Grand Rapids, US

Local time
20:02 EDT
Timezone
America/Detroit
Type
Large Airport
Elevation
794 ft
Coordinates
42.8808, -85.5228

cloud Weather

Wind
170° / 7 kt
Visibility
10 SM
Ceiling
SCT 3,000 ft, BKN 9,000 ft, BKN 13,000 ft, BKN 20,000 ft
Temp / Dew
23°C / 17°C
Altimeter
29.77 inHg
Wx
-TSRA

Obs: 2026-10-12T23:53:00.000Z

Raw METAR / TAF 
METAR KGRR 122353Z 17007KT 10SM -TSRA SCT030CB BKN090 BKN130 BKN200 23/17 A2977 RMK AO2 RAB27 TSB03 SLP079 OCNL LTGICCCCG OHD TS OHD MOV E P0000 60000 T02280172 10289 20228 56006 $

TAF KGRR 122340Z 1300/1324 21007KT P6SM SCT100 PROB30 1300/1302 3SM -TSRA BR BKN035CB FM131500 26016G24KT P6SM BKN250 FM132100 27014KT P6SM BKN250

flight Live Traffic

flight_takeoff 23 Departures
flight_land 28 Arrivals

Arrival

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
18:02 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
190° / 18G26 kt
Visibility
10 SM
Ceiling
SCT 12,000 ft
Temp / Dew
24°C / 0°C
Altimeter
29.79 inHg

Obs: 2026-10-12T23:53:00.000Z

Raw METAR / TAF 
METAR KDEN 122353Z 19018G26KT 10SM SCT120 24/00 A2979 RMK AO2 PK WND 18029/2305 SLP014 T02440000 10278 20244 55004

TAF KDEN 122339Z 1300/1406 20014G22KT P6SM FEW090 FEW130 FM130300 23010G20KT P6SM FEW120 FM130500 30010KT P6SM FEW020 SCT040 FM131100 01006KT P6SM BKN010 BKN030 TEMPO 1312/1315 5SM BR BKN005 FM131700 04007KT P6SM SCT020 BKN040 FM132000 07010G20KT P6SM FEW040 SCT100 FM140200 05009KT P6SM VCSH SCT050

warning FAA Advisories

  • Ground Delay: runway construction (avg 56 minutes)

flight Live Traffic

flight_takeoff 421 Departures
flight_land 391 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A8102A GRR → DEN Jul 26, 13:20 UTCJul 26, 17:05 UTC3h 45m - -
2026-07-25 A11FC7 GRR → DEN Jul 25, 22:55 UTCJul 26, 00:30 UTC1h 35m - -
2026-07-25 A445EF GRR → DEN Jul 25, 13:25 UTCJul 25, 17:05 UTC3h 40m - -
2026-07-24 A11F9D GRR → DEN Jul 24, 22:26 UTCJul 25, 00:00 UTC1h 34m +89m +7m
2026-07-24 A11F9D GRR → DEN Jul 24, 22:30 UTCJul 25, 00:05 UTC1h 35m - -
2026-07-24 A44611 GRR → DEN Jul 24, 13:25 UTCJul 24, 16:55 UTC3h 30m - -
2026-07-24 A77C11 GRR → DEN Jul 24, 01:35 UTCJul 24, 03:05 UTC1h 30m - -
2026-07-23 A41E74 GRR → DEN Jul 23, 13:30 UTCJul 23, 17:00 UTC3h 30m - -
2026-07-22 A0A900 GRR → DEN Jul 22, 21:33 UTCJul 22, 22:52 UTC1h 19m +36m +17m
2026-07-22 A0A900 GRR → DEN Jul 22, 21:25 UTCJul 22, 22:55 UTC1h 30m - -
2026-07-22 A583F5 GRR → DEN Jul 22, 13:30 UTCJul 22, 16:55 UTC3h 25m - -
2026-07-21 A46D8F GRR → DEN Jul 21, 13:25 UTCJul 21, 17:05 UTC3h 40m - -
2026-07-20 A0817C GRR → DEN Jul 20, 22:51 UTCJul 21, 00:17 UTC1h 26m -1326m +6m
2026-07-20 A0817C GRR → DEN Jul 20, 22:45 UTCJul 21, 00:20 UTC1h 34m - -
2026-07-20 A41E2C GRR → DEN Jul 20, 13:20 UTCJul 20, 17:10 UTC3h 50m - -
2026-07-19 A77C11 GRR → DEN Jul 19, 23:15 UTCJul 20, 01:10 UTC1h 55m - -
2026-07-19 A77C11 GRR → DEN Jul 19, 23:11 UTCJul 20, 01:07 UTC1h 56m -839m +129m
2026-07-19 A46D26 GRR → DEN Jul 19, 13:35 UTCJul 19, 17:10 UTC3h 35m - -
2026-07-18 A92478 GRR → DEN Jul 18, 14:20 UTCJul 18, 17:55 UTC3h 35m - -
2026-07-18 A92478 GRR → DEN Jul 18, 14:14 UTCJul 18, 17:48 UTC3h 34m +64m on time
2026-07-17 A16EE0 GRR → DEN Jul 17, 22:29 UTCJul 18, 00:39 UTC2h 10m - -
2026-07-17 A3CF6D GRR → DEN Jul 17, 13:29 UTCJul 17, 17:09 UTC3h 40m - -
2026-07-16 A39C62 GRR → DEN Jul 16, 22:15 UTCJul 16, 23:59 UTC1h 45m - -
2026-07-16 A3CF6D GRR → DEN Jul 16, 14:35 UTCJul 16, 18:10 UTC3h 35m - -
2026-07-16 A05A03 ORD → EWR Jul 16, 00:10 UTCJul 16, 03:20 UTC3h 10m - -
2026-07-15 A3CF6D - Jul 15, 14:00 UTCJul 15, 17:40 UTC3h 40m - -
2026-07-14 A11F59 ORD → EWR Jul 14, 21:33 UTCJul 14, 23:23 UTC1h 50m +36m -10m
2026-07-14 A49510 POC → ORD Jul 14, 13:25 UTCJul 14, 17:05 UTC3h 40m - -
2026-07-14 A0A8DE - Jul 14, 01:00 UTCJul 14, 02:40 UTC1h 40m - -
2026-07-13 A4943F - Jul 13, 13:30 UTCJul 13, 17:10 UTC3h 40m - -

Performance history

Flights tracked
126 showing last 30
Avg arrival delay
+25m
On-time arrival
67% 67% on time
Aircraft used
22

Monthly activity 4 months

Month Flights tracked
July 2026 57
June 2026 27
May 2026 31
April 2026 11

UAL2171 frequently asked

Where does flight UAL2171 fly?
UAL2171 (United Airlines) flies from GRR to DEN. View the full route page.
How long is flight UAL2171?
Based on observed flights, UAL2171 takes on average 2h 42m from takeoff to landing.
How often does UAL2171 fly?
UAL2171 has been observed flying several times a week in our tracking data. We've recorded 126 flights under this callsign.
Is flight UAL2171 usually on time?
Across recent flights, UAL2171 arrives with an average 25-minute delay. 67% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL2171?
UAL2171 has been operated by 22 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL2171 live?
Yes. When UAL2171 is currently airborne, the live tracker map above shows its real-time position from ADS-B broadcasts. If the map is empty, the flight is not currently in the air.