flight Aircraft
N21108
BOEING 757-200
Operated by UNITED AIRLINES INC
- Tail number
- N21108
- Type
- B752
- Mode-S
- A1BFB2
Not currently tracked · last seen 12d ago
- Flights observed
- 215 showing last 50
- Avg flight time
- 5h 12m
- Typical route
- SFO → EWR
- Last seen
- 12d ago
Last known area
Recent flights last 50
| Date | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|
| 2026-07-01 | - | Jul 1, 20:40 UTC | Jul 1, 22:30 UTC | 1h 50m |
| 2026-07-01 | EWR → PNS | Jul 1, 20:32 UTC | Jul 1, 22:51 UTC | 2h 19m |
| 2026-07-01 | SFO → EWR | Jul 1, 13:30 UTC | Jul 1, 18:50 UTC | 5h 20m |
| 2026-06-30 | EWR → SFO | Jun 30, 21:15 UTC | Jul 1, 02:55 UTC | 5h 40m |
| 2026-06-30 | OPO → EWR | Jun 30, 08:25 UTC | Jun 30, 15:12 UTC | 6h 47m |
| 2026-06-30 | - | Jun 30, 08:10 UTC | Jun 30, 14:30 UTC | 6h 20m |
| 2026-06-29 | - | Jun 29, 23:25 UTC | Jun 30, 05:40 UTC | 6h 16m |
| 2026-06-29 | - | Jun 29, 13:04 UTC | Jun 29, 18:30 UTC | 5h 25m |
| 2026-06-29 | DUB → EWR | Jun 29, 12:56 UTC | Jun 29, 19:55 UTC | 6h 59m |
| 2026-06-29 | EWR → DUB | Jun 29, 04:32 UTC | Jun 29, 10:08 UTC | 5h 36m |
| 2026-06-29 | - | Jun 29, 04:14 UTC | Jun 29, 05:54 UTC | 1h 40m |
| 2026-06-28 | - | Jun 28, 19:29 UTC | Jun 29, 00:14 UTC | 4h 45m |
| 2026-06-28 | - | Jun 28, 11:50 UTC | Jun 28, 16:49 UTC | 5h 0m |
| 2026-06-28 | - | Jun 28, 04:35 UTC | Jun 28, 09:05 UTC | 4h 30m |
| 2026-06-27 | EWR → SAN | Jun 27, 21:10 UTC | Jun 28, 02:39 UTC | 5h 30m |
| 2026-06-27 | EWR → SRQ | Jun 27, 14:14 UTC | Jun 27, 18:54 UTC | 4h 40m |
| 2026-06-26 | - | Jun 26, 21:35 UTC | Jun 27, 03:44 UTC | 6h 10m |
| 2026-06-26 | - | Jun 26, 12:00 UTC | Jun 26, 12:29 UTC | 30m |
| 2026-06-26 | OPO → EWR | Jun 26, 12:05 UTC | Jun 26, 19:14 UTC | 7h 9m |
| 2026-06-26 | - | Jun 26, 02:09 UTC | Jun 26, 08:10 UTC | 6h 0m |
| 2026-06-25 | SFO → EWR | Jun 25, 18:45 UTC | Jun 25, 23:19 UTC | 4h 35m |
| 2026-06-24 | - | Jun 24, 19:44 UTC | Jun 25, 01:35 UTC | 5h 50m |
| 2026-06-24 | SFO → EWR | Jun 24, 13:30 UTC | Jun 24, 18:15 UTC | 4h 45m |
| 2026-06-24 | EWR → SFO | Jun 24, 00:25 UTC | Jun 24, 06:10 UTC | 5h 45m |
| 2026-06-23 | ORD → EWR | Jun 23, 21:16 UTC | Jun 23, 22:35 UTC | 1h 19m |
| 2026-06-23 | ORD → EWR | Jun 23, 21:05 UTC | Jun 23, 22:40 UTC | 1h 35m |
| 2026-06-23 | - | Jun 23, 08:35 UTC | Jun 23, 16:24 UTC | 7h 50m |
| 2026-06-22 | ORD → SNN | Jun 22, 23:47 UTC | Jun 23, 06:12 UTC | 6h 25m |
| 2026-06-22 | - | Jun 22, 23:55 UTC | Jun 23, 06:09 UTC | 6h 15m |
| 2026-06-22 | ORD → EDI | Jun 22, 10:44 UTC | Jun 22, 19:00 UTC | 8h 15m |
| 2026-06-22 | ORD → EDI | Jun 22, 00:20 UTC | Jun 22, 07:19 UTC | 7h 0m |
| 2026-06-21 | KEF → ORD | Jun 21, 12:29 UTC | Jun 21, 18:29 UTC | 6h 0m |
| 2026-06-21 | KEF → ORD | Jun 21, 12:29 UTC | Jun 21, 18:15 UTC | 5h 46m |
| 2026-06-21 | - | Jun 21, 12:19 UTC | Jun 21, 12:24 UTC | 5m |
| 2026-06-21 | - | Jun 21, 03:30 UTC | Jun 21, 04:30 UTC | 1h 0m |
| 2026-06-21 | IAD → KEF | Jun 21, 03:23 UTC | Jun 21, 08:57 UTC | 5h 34m |
| 2026-06-20 | DUB → IAD | Jun 20, 08:05 UTC | Jun 20, 15:39 UTC | 7h 35m |
| 2026-06-19 | IAD → DUB | Jun 19, 23:49 UTC | Jun 20, 05:58 UTC | 6h 9m |
| 2026-06-19 | IAD → DUB | Jun 19, 23:49 UTC | Jun 20, 06:05 UTC | 6h 15m |
| 2026-06-19 | DUB → IAD | Jun 19, 12:49 UTC | Jun 19, 20:14 UTC | 7h 25m |
| 2026-06-19 | DUB → IAD | Jun 19, 12:51 UTC | Jun 19, 20:11 UTC | 7h 20m |
| 2026-06-19 | - | Jun 19, 03:44 UTC | Jun 19, 09:40 UTC | 5h 55m |
| 2026-06-18 | - | Jun 18, 19:25 UTC | Jun 18, 23:55 UTC | 4h 30m |
| 2026-06-17 | SFO → SAN | Jun 17, 22:05 UTC | Jun 18, 03:20 UTC | 5h 15m |
| 2026-06-17 | DUB → EWR | Jun 17, 13:46 UTC | Jun 17, 20:19 UTC | 6h 33m |
| 2026-06-17 | DUB → EWR | Jun 17, 13:46 UTC | Jun 17, 20:06 UTC | 6h 20m |
| 2026-06-17 | - | Jun 17, 13:35 UTC | Jun 17, 14:25 UTC | 50m |
| 2026-06-17 | IAD → DUB | Jun 17, 05:30 UTC | Jun 17, 11:35 UTC | 6h 5m |
| 2026-06-16 | EDI → IAD | Jun 16, 20:25 UTC | Jun 17, 03:45 UTC | 7h 20m |
| 2026-06-16 | IAD → EDI | Jun 16, 12:30 UTC | Jun 16, 18:52 UTC | 6h 22m |
Specifications
| Registration | N21108 |
| Aircraft type | BOEING 757-200 (B752) |
| Operator | UNITED AIRLINES INC |
| Mode-S code | A1BFB2 · 50337662 (octal) |
Looking for transponder-level data? View the Mode-S A1BFB2 page for country allocation, callsign history, and ADS-B signal details.
N21108 frequently asked
What type of aircraft is N21108?
N21108 is a BOEING 757-200 (ICAO type code B752).
Who operates N21108?
N21108 is operated by UNITED AIRLINES INC.
What is the Mode-S transponder code for N21108?
N21108 broadcasts on Mode-S (ICAO 24-bit) address A1BFB2 (octal 50337662). View the transponder page.
What route does N21108 typically fly?
N21108 most frequently flies between SFO and EWR based on observed flights.
Where is N21108 right now?
N21108 is not currently being tracked; last seen 12d ago.