Apparatus

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flight_takeoff Flight

UAL2166

Operated by UAL

Live map

Live map filtered to UAL2166. Shown when the flight is currently airborne.

Route airports View route page →

Departure

DCA KDCA VFR

Ronald Reagan Washington National Airport

Washington, US

Local time
08:43 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
15 ft
Coordinates
38.8521, -77.0377

cloud Weather

Wind
350° / 10 kt
Visibility
10 SM
Ceiling
SCT 1,500 ft, BKN 6,000 ft
Temp / Dew
16°C / 14°C
Altimeter
29.85 inHg

Obs: 2026-10-12T11:52:00.000Z

Raw METAR / TAF 
METAR KDCA 121152Z 35010KT 10SM SCT015 BKN060 16/14 A2985 RMK AO2 SLP106 SCT V FEW 60012 70082 T01610139 10178 20156 51029

TAF KDCA 121136Z 1212/1318 34010KT P6SM BKN011 OVC030 FM121300 33010G18KT P6SM BKN020 OVC035 FM121700 34013G22KT P6SM BKN025 BKN035 FM121900 34010G17KT P6SM SCT025 BKN040 FM122100 31008KT P6SM BKN045 FM130000 29005KT P6SM FEW050 FM131400 21009KT P6SM SCT250

flight Live Traffic

flight_takeoff 150 Departures
flight_land 132 Arrivals

Arrival

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
05:43 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
300° / 5 kt
Visibility
10 SM
Ceiling
FEW 2,000 ft, FEW 9,000 ft
Temp / Dew
11°C / 7°C
Altimeter
29.84 inHg

Obs: 2026-10-12T11:56:00.000Z

Raw METAR / TAF 
METAR KSFO 121156Z 30005KT 10SM FEW020 FEW090 11/07 A2984 RMK AO2 SLP103 T01110067 10139 20106 53013 $

TAF KSFO 121120Z 1212/1318 26004KT P6SM FEW020 FEW090 FM122200 28012KT P6SM SKC FM130300 28006KT P6SM SKC

flight Live Traffic

flight_takeoff 115 Departures
flight_land 177 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A9D5E7 TPA → SFO Jul 26, 01:10 UTCJul 26, 02:10 UTC1h 0m - -
2026-07-25 A3EF1B TPA → SFO Jul 25, 03:20 UTCJul 25, 04:15 UTC55m - -
2026-07-24 A39FB1 TPA → SFO Jul 24, 01:50 UTCJul 24, 02:45 UTC55m - -
2026-07-23 AA7E7A TPA → SFO Jul 23, 01:25 UTCJul 23, 02:30 UTC1h 5m - -
2026-07-22 A05DBA DEN → ICT Jul 22, 01:11 UTCJul 22, 01:55 UTC44m +23m -8m
2026-07-22 A05DBA - Jul 22, 01:00 UTCJul 22, 01:55 UTC55m - -
2026-07-21 A3EF1B DEN → ICT Jul 21, 01:05 UTCJul 21, 02:05 UTC1h 0m - -
2026-07-20 A41722 DEN → ICT Jul 20, 01:45 UTCJul 20, 02:40 UTC55m - -
2026-07-19 AA9B82 DEN → ICT Jul 19, 01:05 UTCJul 19, 02:05 UTC1h 0m - -
2026-07-18 A03618 - Jul 18, 01:00 UTCJul 18, 02:00 UTC1h 0m - -
2026-07-18 A03618 DEN → ICT Jul 18, 01:11 UTCJul 18, 02:02 UTC51m +23m +2m
2026-07-17 A0ACDD - Jul 17, 01:25 UTCJul 17, 02:20 UTC55m - -
2026-07-16 A43EA2 DEN → ICT Jul 16, 01:00 UTCJul 16, 02:05 UTC1h 5m - -
2026-07-15 AC0B80 - Jul 15, 01:05 UTCJul 15, 02:05 UTC1h 0m - -
2026-07-15 AC0B80 DEN → ICT Jul 15, 01:11 UTCJul 15, 02:06 UTC55m +23m -11m
2026-07-14 A43E5E DEN → ICT Jul 14, 01:35 UTCJul 14, 02:35 UTC1h 0m - -
2026-07-13 A2B130 - Jul 13, 01:05 UTCJul 13, 02:05 UTC1h 0m - -
2026-07-12 A05DDC DEN → ICT Jul 12, 01:43 UTCJul 12, 02:26 UTC43m +55m -3m
2026-07-12 A05DDC DEN → ICT Jul 12, 01:30 UTCJul 12, 02:25 UTC55m - -
2026-07-11 A3C847 - Jul 11, 02:20 UTCJul 11, 03:20 UTC1h 0m - -
2026-07-10 ABE448 - Jul 10, 01:35 UTCJul 10, 02:40 UTC1h 5m - -
2026-07-10 ABE448 DEN → ICT Jul 10, 01:31 UTCJul 10, 02:40 UTC1h 9m +43m +3m
2026-07-09 AAA616 DEN → ICT Jul 9, 01:11 UTCJul 9, 02:35 UTC1h 24m +23m -22m
2026-07-09 AAA616 DEN → ICT Jul 9, 01:30 UTCJul 9, 02:40 UTC1h 10m - -
2026-07-08 AA7E7A TPA → SFO Jul 8, 02:25 UTCJul 8, 03:30 UTC1h 5m - -
2026-07-08 AA7E7A TPA → SFO Jul 8, 02:23 UTCJul 8, 03:30 UTC1h 7m +95m +9m
2026-07-07 AA7E2E TPA → SFO Jul 7, 01:20 UTCJul 7, 02:15 UTC55m - -
2026-07-06 A0ACFF TPA → SFO Jul 6, 01:31 UTCJul 6, 02:20 UTC49m +43m -15m
2026-07-06 A0ACFF TPA → SFO Jul 6, 01:25 UTCJul 6, 02:20 UTC55m - -
2026-07-04 AA4C3E TPA → SFO Jul 4, 01:35 UTCJul 4, 02:40 UTC1h 5m - -

Performance history

Flights tracked
137 showing last 30
Avg arrival delay
-6m
On-time arrival
100% 100% on time
Aircraft used
20

Monthly activity 4 months

Month Flights tracked
July 2026 34
June 2026 36
May 2026 37
April 2026 30

UAL2166 frequently asked

Where does flight UAL2166 fly?
UAL2166 (UAL) flies from DCA to SFO. View the full route page.
How long is flight UAL2166?
Based on observed flights, UAL2166 takes on average 59m from takeoff to landing.
How often does UAL2166 fly?
UAL2166 has been observed flying several times a week in our tracking data. We've recorded 137 flights under this callsign.
Is flight UAL2166 usually on time?
Across recent flights, UAL2166 arrives 6 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL2166?
UAL2166 has been operated by 20 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL2166 live?
Yes. When UAL2166 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.