Apparatus

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flight_takeoff Flight

UAL1870

Operated by UAL

Live map

Live map filtered to UAL1870. Shown when the flight is currently airborne.

Upcoming flights 1 scheduled

From To Scheduled departure Estimated arrival Status
SFO IAD Apr 15, 05:38 AM UTC Apr 15, 03:56 AM UTC Planned

Route airports View route page →

Departure

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
18:57 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
280° / 21 kt
Visibility
10 SM
Ceiling
FEW 2,700 ft
Temp / Dew
14°C / 7°C
Altimeter
30.16 inHg

Obs: 2026-04-15T00:56:00.000Z

Raw METAR / TAF 
METAR KSFO 150056Z 28021KT 10SM FEW027 14/07 A3016 RMK AO2 PK WND 29026/0015 SLP213 T01440072 $

TAF KSFO 142320Z 1500/1606 28015KT P6SM SCT025 FM150800 27011KT P6SM SCT025 BKN150 FM151800 27018KT P6SM BKN150

flight Live Traffic

flight_takeoff 206 Departures
flight_land 221 Arrivals

Arrival

IAD KIAD VFR

Washington Dulles International Airport

Dulles, US

Local time
21:57 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
312 ft
Coordinates
38.9445, -77.4558

cloud Weather

Wind
220° / 8 kt
Visibility
10 SM
Ceiling
FEW 12,000 ft, SCT 25,000 ft
Temp / Dew
26°C / 13°C
Altimeter
29.93 inHg

Obs: 2026-04-15T01:52:00.000Z

Raw METAR / TAF 
METAR KIAD 150152Z 22008KT 10SM FEW120 SCT250 26/13 A2993 RMK AO2 SLP131 T02560128 $

TAF KIAD 150108Z 1501/1606 20008KT P6SM SCT080 BKN250 TEMPO 1502/1504 36010G18KT 6SM -SHRA BKN070 FM150400 25004KT P6SM FEW060 SCT200 FM151700 22010G18KT P6SM FEW060 SCT250 FM160000 22006KT P6SM SCT250

flight Live Traffic

flight_takeoff 191 Departures
flight_land 203 Arrivals

Recent history last 9

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-04-14 A2B83B IAH → SFO Apr 14, 09:10 UTCApr 14, 10:45 UTC1h 35m - -
2026-04-14 A2B83B IAH → SFO Apr 14, 07:10 UTCApr 14, 09:05 UTC1h 55m - -
2026-04-14 A2B83B IAH → SFO Apr 14, 06:15 UTCApr 14, 07:10 UTC55m - -
2026-04-13 A4493F IAH → SFO Apr 13, 08:20 UTCApr 13, 10:25 UTC2h 5m - -
2026-04-13 A4493F IAH → SFO Apr 13, 07:55 UTCApr 13, 10:25 UTC2h 30m - -
2026-04-13 A4493F IAH → SFO Apr 13, 05:55 UTCApr 13, 08:15 UTC2h 20m - -
2026-04-13 AC59AA IAH → SFO Apr 13, 04:20 UTCApr 13, 04:55 UTC35m - -
2026-04-13 AC59AA IAH → SFO Apr 13, 03:55 UTCApr 13, 04:55 UTC1h 0m - -
2026-04-13 AC59AA IAH → SFO Apr 13, 02:47 UTCApr 13, 04:04 UTC1h 17m +12m +6m

Performance history

Flights tracked
9
Avg arrival delay
+6m
On-time arrival
100% 100% on time
Aircraft used
3

Monthly activity 1 month

Month Flights tracked
April 2026 9

UAL1870 frequently asked

Where does flight UAL1870 fly?
UAL1870 (UAL) flies from SFO to IAD. View the full route page.
How long is flight UAL1870?
Based on observed flights, UAL1870 takes on average 1h 35m from takeoff to landing.
How often does UAL1870 fly?
UAL1870 has been observed flying occasionally in our tracking data. We've recorded 9 flights under this callsign.
Is flight UAL1870 usually on time?
Across recent flights, UAL1870 arrives with an average 6-minute delay. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1870?
UAL1870 has been operated by 3 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1870 live?
Yes. When UAL1870 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.