Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight Aircraft

N39728

BOEING 737-700

Operated by UNITED AIRLINES INC

Tail number
N39728
Type
B737
Mode-S
A49F89
Airborne now · flying as UAL1317 at 38,000 ft
Flights observed
12
Avg flight time
1h 36m
Typical route
BOS → ORD
Last seen
1d ago

Live position

N39728 is currently airborne. Map zoomed to live position.

Recent flights last 12

DateRouteTakeoffLandingDuration
2026-04-13 BOS → ORD Apr 13, 21:40 UTCApr 13, 23:25 UTC1h 45m
2026-04-13 BOS → ORD Apr 13, 19:50 UTCApr 13, 20:05 UTC15m
2026-04-13 BOS → ORD Apr 13, 16:58 UTCApr 13, 20:05 UTC3h 7m
2026-04-13 BOS → ORD Apr 13, 16:58 UTCApr 13, 19:52 UTC2h 54m
2026-04-13 - Apr 13, 14:15 UTCApr 13, 15:45 UTC1h 30m
2026-04-13 YYC → ORD Apr 13, 12:20 UTCApr 13, 12:30 UTC10m
2026-04-13 YYC → ORD Apr 13, 11:55 UTCApr 13, 12:30 UTC35m
2026-04-13 YYC → ORD Apr 13, 10:49 UTCApr 13, 12:43 UTC1h 54m
2026-04-13 - Apr 13, 00:20 UTCApr 13, 02:00 UTC1h 40m
2026-04-12 - Apr 12, 23:55 UTCApr 13, 02:00 UTC2h 5m
2026-04-12 - Apr 12, 19:29 UTCApr 12, 21:46 UTC2h 17m
2026-04-12 - Apr 12, 17:15 UTCApr 12, 18:20 UTC1h 5m

Specifications

Registration N39728
Aircraft type BOEING 737-700 (B737)
Operator UNITED AIRLINES INC
Mode-S code A49F89 · 51117611 (octal)

Looking for transponder-level data? View the Mode-S A49F89 page for country allocation, callsign history, and ADS-B signal details.

N39728 frequently asked

What type of aircraft is N39728?
N39728 is a BOEING 737-700 (ICAO type code B737).
Who operates N39728?
N39728 is operated by UNITED AIRLINES INC.
What is the Mode-S transponder code for N39728?
N39728 broadcasts on Mode-S (ICAO 24-bit) address A49F89 (octal 51117611). View the transponder page.
What route does N39728 typically fly?
N39728 most frequently flies between BOS and ORD based on observed flights.
Where is N39728 right now?
N39728 is currently airborne flying as UAL1317. Live position is shown on the map above.