flight Aircraft

N57870

BOEING 757-300

Operated by UNITED AIRLINES INC

Tail number
N57870
Type
B753
Mode-S
A76F87
Airborne now · flying as UAL3924 at 40,000 ft
Flights observed
61 showing last 50
Avg flight time
3h 16m
Typical route
EWR → SFO
Last seen
2h ago

Live position

N57870 is currently airborne. Map zoomed to live position.

Recent flights last 50

DateRouteTakeoffLandingDuration
2026-05-29 PDX → EWR May 29, 21:15 UTCMay 29, 22:05 UTC50m
2026-05-29 PDX → EWR May 29, 17:10 UTCMay 29, 17:25 UTC15m
2026-05-28 IAH → SNA May 28, 20:20 UTCMay 29, 01:35 UTC5h 15m
2026-05-28 LAX → EWR May 28, 13:31 UTCMay 28, 18:23 UTC4h 52m
2026-05-28 LAX → EWR May 28, 13:25 UTCMay 28, 18:20 UTC4h 55m
2026-05-27 LAS → ORD May 27, 21:25 UTCMay 28, 02:00 UTC4h 35m
2026-05-27 EWR → MSY May 27, 14:10 UTCMay 27, 19:25 UTC5h 15m
2026-05-26 LAS → ORD May 26, 21:55 UTCMay 27, 02:34 UTC4h 40m
2026-05-26 DEN → FAT May 26, 14:30 UTCMay 26, 18:30 UTC4h 0m
2026-05-25 ORD → AUS May 25, 20:04 UTCMay 25, 23:35 UTC3h 30m
2026-05-25 LAX → EWR May 25, 13:20 UTCMay 25, 18:15 UTC4h 55m
2026-05-25 SAN → SFO May 25, 07:05 UTCMay 25, 11:35 UTC4h 30m
2026-05-25 DEN → MSN May 25, 01:55 UTCMay 25, 05:00 UTC3h 5m
2026-05-24 RDM → SFO May 24, 23:00 UTCMay 24, 23:15 UTC15m
2026-05-24 RDM → SFO May 24, 19:45 UTCMay 24, 21:50 UTC2h 5m
2026-05-24 ORD → LGA May 24, 14:10 UTCMay 24, 18:10 UTC4h 0m
2026-05-23 SFO → ORD May 23, 22:35 UTCMay 24, 02:10 UTC3h 35m
2026-05-23 DEN → FAT May 23, 14:55 UTCMay 23, 18:55 UTC4h 0m
2026-05-22 ORD → AUS May 22, 20:20 UTCMay 22, 23:55 UTC3h 35m
2026-05-22 EWR → IAH May 22, 14:50 UTCMay 22, 18:35 UTC3h 45m
2026-05-21 RSW → EWR May 21, 22:20 UTCMay 22, 01:45 UTC3h 25m
2026-05-21 EWR → DEN May 21, 16:45 UTCMay 21, 20:25 UTC3h 40m
2026-05-21 EWR → DEN May 21, 16:24 UTCMay 21, 20:24 UTC4h 0m
2026-05-21 CLT → DEN May 21, 12:10 UTCMay 21, 14:00 UTC1h 50m
2026-05-20 EWR → PBI May 20, 19:55 UTCMay 20, 23:25 UTC3h 30m
2026-05-20 EWR → DEN May 20, 14:25 UTCMay 20, 17:30 UTC3h 5m
2026-05-19 OMA → SFO May 19, 23:45 UTCMay 20, 01:45 UTC2h 0m
2026-05-19 EWR → SFO May 19, 19:50 UTCMay 19, 22:00 UTC2h 10m
2026-05-19 DEN → SAT May 19, 14:35 UTCMay 19, 17:55 UTC3h 20m
2026-05-18 MCO → EWR May 18, 20:09 UTCMay 18, 23:15 UTC3h 6m
2026-05-18 MCO → EWR May 18, 20:10 UTCMay 18, 23:20 UTC3h 10m
2026-05-18 DEN → SAT May 18, 14:00 UTCMay 18, 17:30 UTC3h 30m
2026-05-17 MCO → EWR May 17, 20:45 UTCMay 17, 23:45 UTC3h 0m
2026-05-17 IAH → LGA May 17, 15:50 UTCMay 17, 17:45 UTC1h 55m
2026-05-16 EWR → PBI May 16, 21:05 UTCMay 17, 01:20 UTC4h 15m
2026-05-16 ORD → LGA May 16, 15:25 UTCMay 16, 19:00 UTC3h 35m
2026-05-16 ORD → LGA May 16, 15:32 UTCMay 16, 18:30 UTC2h 58m
2026-05-15 ELP → ORD May 15, 14:20 UTCMay 15, 17:45 UTC3h 24m
2026-05-15 ELP → ORD May 15, 14:15 UTCMay 15, 17:56 UTC3h 41m
2026-05-14 EWR → SFO May 14, 23:10 UTCMay 15, 02:45 UTC3h 35m
2026-05-14 EWR → MSY May 14, 16:15 UTCMay 14, 21:35 UTC5h 20m
2026-05-14 CDG → YYZ May 14, 06:05 UTCMay 14, 10:45 UTC4h 40m
2026-05-13 IAH → SAT May 13, 22:25 UTCMay 14, 01:55 UTC3h 30m
2026-05-13 IAH → EWR May 13, 16:20 UTCMay 13, 19:45 UTC3h 25m
2026-05-12 EWR → PBI May 12, 21:25 UTCMay 13, 01:30 UTC4h 5m
2026-05-12 FLL → EWR May 12, 16:45 UTCMay 12, 19:05 UTC2h 20m
2026-05-12 LAX → BOS May 12, 13:08 UTCMay 12, 15:05 UTC1h 57m
2026-05-12 LAX → BOS May 12, 12:55 UTCMay 12, 15:10 UTC2h 15m
2026-05-12 EWR → SFO May 12, 03:10 UTCMay 12, 03:15 UTC5m
2026-05-12 EWR → SFO May 12, 02:45 UTCMay 12, 03:15 UTC30m

Specifications

Registration N57870
Aircraft type BOEING 757-300 (B753)
Operator UNITED AIRLINES INC
Mode-S code A76F87 · 51667607 (octal)

Looking for transponder-level data? View the Mode-S A76F87 page for country allocation, callsign history, and ADS-B signal details.

N57870 frequently asked

What type of aircraft is N57870?
N57870 is a BOEING 757-300 (ICAO type code B753).
Who operates N57870?
N57870 is operated by UNITED AIRLINES INC.
What is the Mode-S transponder code for N57870?
N57870 broadcasts on Mode-S (ICAO 24-bit) address A76F87 (octal 51667607). View the transponder page.
What route does N57870 typically fly?
N57870 most frequently flies between EWR and SFO based on observed flights.
Where is N57870 right now?
N57870 is currently airborne flying as UAL3924. Live position is shown on the map above.