Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL3939

Live map

Live map filtered to UAL3939. Shown when the flight is currently airborne.

Route airports View route page →

Departure

ATL KATL IFR

Hartsfield Jackson Atlanta International Airport

Atlanta, US

Local time
02:52 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
1,026 ft
Coordinates
33.6367, -84.4281

cloud Weather

Wind
90° / 8 kt
Visibility
5 SM
Ceiling
BKN 600 ft, BKN 5,000 ft, BKN 8,500 ft, OVC 13,000 ft
Temp / Dew
23°C / 22°C
Altimeter
30.09 inHg
Wx
-RA BR

Obs: 2026-07-14T06:18:00.000Z

Raw METAR / TAF 
SPECI KATL 140618Z 09008KT 5SM -RA BR BKN006 BKN050 BKN085 OVC130 23/22 A3009 RMK AO2 RAB01 P0000 T02330217 $

TAF KATL 140543Z 1406/1512 10006KT P6SM VCSH BKN007 BKN012 FM140900 09005KT 6SM BR SCT004 BKN006 TEMPO 1409/1413 3SM BR OVC004 FM141600 10008KT P6SM -SHRA BKN015 BKN035 TEMPO 1418/1422 3SM TSRA BKN020CB FM150000 09005KT P6SM SCT018 BKN040 FM150400 12004KT P6SM BKN006 BKN012

flight Live Traffic

flight_takeoff 267 Departures
flight_land 248 Arrivals

Arrival

IAD KIAD VFR

Washington Dulles International Airport

Dulles, US

Local time
02:52 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
312 ft
Coordinates
38.9445, -77.4558

cloud Weather

Wind
170° / 3 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
19°C / 18°C
Altimeter
30.18 inHg

Obs: 2026-07-14T05:52:00.000Z

Raw METAR / TAF 
METAR KIAD 140552Z 17003KT 10SM CLR 19/18 A3018 RMK AO2 SLP217 T01940178 10272 20194 58005 $

TAF KIAD 140520Z 1406/1512 21005KT P6SM SKC FM141600 22006KT P6SM FEW050

flight Live Traffic

flight_takeoff 197 Departures
flight_land 184 Arrivals

Recent history last 29

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-11 A57B4D ATL → IAD Jul 11, 05:55 UTCJul 11, 07:20 UTC1h 25m - -
2026-07-11 A57B4D ATL → IAD Jul 11, 05:45 UTCJul 11, 07:13 UTC1h 28m +30m -20m
2026-07-04 AA93C9 IAD → EWR Jul 4, 04:40 UTCJul 4, 05:25 UTC45m - -
2026-07-04 AA93C9 IAD → EWR Jul 4, 03:47 UTCJul 4, 05:23 UTC1h 36m +17m +11m
2026-06-30 A14B1A - Jun 30, 19:15 UTCJun 30, 22:40 UTC3h 25m - -
2026-06-30 A14B1A PDX → ORD Jun 30, 18:41 UTCJun 30, 22:35 UTC3h 54m +371m -4m
2026-06-21 A46CE1 LAX → SFO Jun 21, 19:14 UTCJun 21, 20:05 UTC50m - -
2026-06-19 AA92FF LAX → SFO Jun 19, 14:44 UTCJun 19, 17:09 UTC2h 25m - -
2026-06-19 AA92FF LAX → SFO Jun 19, 14:21 UTCJun 19, 17:06 UTC2h 45m +141m -14m
2026-06-17 A1D8FD LAX → SFO Jun 17, 10:35 UTCJun 17, 10:50 UTC15m - -
2026-06-17 A1D8FD LAX → SFO Jun 17, 08:45 UTCJun 17, 09:30 UTC45m - -
2026-06-16 AA9B82 LAX → SFO Jun 16, 02:45 UTCJun 16, 04:11 UTC1h 26m +45m -6m
2026-06-16 AA9B82 LAX → SFO Jun 16, 02:50 UTCJun 16, 04:30 UTC1h 40m - -
2026-06-12 A94BFF LAX → SFO Jun 12, 11:05 UTCJun 12, 12:00 UTC55m - -
2026-06-12 A22539 LAX → SFO Jun 12, 06:10 UTCJun 12, 08:40 UTC2h 30m - -
2026-06-12 A22539 LAX → SFO Jun 12, 05:11 UTCJun 12, 08:30 UTC3h 19m +11m +8m
2026-05-31 AB97E6 LAX → SFO May 31, 17:40 UTCMay 31, 19:50 UTC2h 10m - -
2026-05-25 AA6B9F LAX → SFO May 25, 13:34 UTCMay 25, 13:44 UTC10m +34m +23m
2026-05-25 AA6B9F LAX → SFO May 25, 13:05 UTCMay 25, 13:15 UTC10m - -
2026-05-24 A0B7D9 LAX → SFO May 24, 03:05 UTCMay 24, 04:55 UTC1h 50m - -
2026-05-21 A44169 LAX → SFO May 21, 08:40 UTCMay 21, 13:01 UTC4h 20m - -
2026-05-13 AA8A26 LAX → SFO May 13, 23:53 UTCMay 14, 01:22 UTC1h 29m +23m +1m
2026-05-13 AA8A26 LAX → SFO May 13, 23:30 UTCMay 13, 23:35 UTC5m - -
2026-05-07 A8AFEC LAX → SFO May 7, 17:55 UTCMay 7, 19:30 UTC1h 35m - -
2026-05-07 A8AFEC LAX → SFO May 7, 17:43 UTCMay 7, 19:12 UTC1h 29m +43m -8m
2026-05-07 A8AFEC LAX → SFO May 7, 17:40 UTCMay 7, 17:50 UTC10m - -
2026-05-05 AA7F28 LAX → SFO May 5, 01:05 UTCMay 5, 01:35 UTC30m - -
2026-04-20 A12F70 LAX → SFO Apr 20, 23:20 UTCApr 21, 03:20 UTC4h 0m - -
2026-04-17 A94B0B LAX → LAS Apr 17, 15:22 UTCApr 17, 16:37 UTC1h 15m +22m -34m

Performance history

Flights tracked
29
Avg arrival delay
-4m
On-time arrival
90% 90% on time
Aircraft used
18

Monthly activity 4 months

Month Flights tracked
July 2026 4
June 2026 12
May 2026 11
April 2026 2

UAL3939 frequently asked

Where does flight UAL3939 fly?
UAL3939 flies from ATL to IAD. View the full route page.
How long is flight UAL3939?
Based on observed flights, UAL3939 takes on average 1h 41m from takeoff to landing.
How often does UAL3939 fly?
UAL3939 has been observed flying several times a week in our tracking data. We've recorded 29 flights under this callsign.
Is flight UAL3939 usually on time?
Across recent flights, UAL3939 arrives 4 minutes early on average. 90% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL3939?
UAL3939 has been operated by 18 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL3939 live?
Yes. When UAL3939 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.