PlaneTrack / aircraft / A4945F
N39423 is a BOEING 737-924ER operated by UNITED AIRLINES INC, Mode-S hex code A4945F. Track it live, browse its recent flights, or download its full position history.
In flight now. N39423 is currently in flight (KLAS to KORD), phase cruise, 19% complete, ETA 21:07 CDT. Watch live
Track live on the map Buy full history (CSV) API access
| Date | Callsign | From | To | Dep | Arr |
|---|---|---|---|---|---|
| 2026-08-17 | UAL1549 | KIAH | KIAD | 08:24 CDT | 11:14 EDT |
| 2026-08-16 | UAL1437 | ? | KMSN | 15:19Z | 17:16 CDT |
| 2026-08-14 | UAL2446 | KONT | KLGA | 11:35 PDT | 18:01 EDT |
| 2026-08-12 | UAL1101 | KDEN | KIAD | 08:01 MDT | 13:10 EDT |
| 2026-08-12 | UAL1442 | KOMA | KLGA | 06:05 CDT | 13:22 EDT |
| 2026-08-12 | UAL624 | KPHX | KDEN | 17:06 MST | 19:42 MDT |
| 2026-07-21 | UAL2425 | KEWR | KIAH | 20:54 EDT | 05:32 CDT |
| 2026-07-21 | UAL487 | KIAH | KSBP | 05:32 CDT | 11:40 PDT |
| 2026-07-20 | UAL556 | KEWR | KIAH | 11:12 EDT | 13:18 CDT |
| 2026-07-20 | UAL2673 | KJAX | KEWR | 07:50 EDT | 11:12 EDT |
Times are local to each airport. Hover for UTC.
Live position and 365-day history for this aircraft are available through the PlaneTrack API (commercial use from $29/month) and as one-off CSV extracts from our own receiver network archive.