flight_takeoff Flight
UAL423
Live map
Recent history last 30
| Date | Aircraft | Route | Takeoff | Landing | Duration | Dep Δ | Arr Δ |
|---|---|---|---|---|---|---|---|
| 2026-07-14 | A0A545 | - | Jul 14, 10:10 UTC | Jul 14, 19:15 UTC | 9h 5m | - | - |
| 2026-07-13 | A07DC8 | ATH → ORD | Jul 13, 11:05 UTC | Jul 13, 21:45 UTC | 10h 40m | - | - |
| 2026-07-12 | A11BA0 | ATH → ORD | Jul 12, 10:05 UTC | Jul 12, 20:40 UTC | 10h 35m | - | - |
| 2026-07-11 | A07DCD | ATH → ORD | Jul 11, 10:10 UTC | Jul 11, 20:35 UTC | 10h 25m | - | - |
| 2026-07-10 | A05627 | ATH → ORD | Jul 10, 10:05 UTC | Jul 10, 20:45 UTC | 10h 40m | - | - |
| 2026-07-09 | A07DC9 | ATH → ORD | Jul 9, 10:00 UTC | Jul 9, 20:40 UTC | 10h 40m | - | - |
| 2026-07-09 | A07DC9 | ATH → ORD | Jul 9, 10:00 UTC | Jul 9, 20:25 UTC | 10h 25m | +25m | +6m |
| 2026-07-08 | A11BA0 | ATH → ORD | Jul 8, 10:05 UTC | Jul 8, 21:00 UTC | 10h 55m | - | - |
| 2026-07-07 | A11BC6 | - | Jul 7, 10:10 UTC | Jul 7, 11:30 UTC | 1h 20m | - | - |
| 2026-07-07 | A11BC6 | ATH → ORD | Jul 7, 09:55 UTC | Jul 7, 20:34 UTC | 10h 39m | +20m | +10m |
| 2026-07-06 | A05629 | ATH → ORD | Jul 6, 11:00 UTC | Jul 6, 21:32 UTC | 10h 32m | +85m | -4m |
| 2026-07-06 | A05629 | ATH → ORD | Jul 6, 11:05 UTC | Jul 6, 21:50 UTC | 10h 45m | - | - |
| 2026-07-05 | A07DC8 | ATH → ORD | Jul 5, 09:55 UTC | Jul 5, 20:43 UTC | 10h 48m | +20m | +2m |
| 2026-07-05 | A07DC8 | ATH → ORD | Jul 5, 10:05 UTC | Jul 5, 21:00 UTC | 10h 55m | - | - |
| 2026-07-04 | A11BC8 | - | Jul 4, 23:55 UTC | Jul 5, 00:10 UTC | 15m | - | - |
| 2026-07-04 | A11BC8 | - | Jul 4, 13:15 UTC | Jul 4, 17:20 UTC | 4h 5m | - | - |
| 2026-07-04 | A11BC8 | ATH → ORD | Jul 4, 12:50 UTC | Jul 4, 23:40 UTC | 10h 50m | +195m | -8m |
| 2026-07-04 | A11BC8 | ATH → ORD | Jul 4, 12:50 UTC | Jul 5, 00:00 UTC | 11h 10m | +195m | +12m |
| 2026-07-03 | A05646 | ATH → ORD | Jul 3, 11:15 UTC | Jul 3, 22:00 UTC | 10h 45m | - | - |
| 2026-07-02 | A05629 | ATH → ORD | Jul 2, 10:10 UTC | Jul 2, 20:43 UTC | 10h 33m | +35m | -4m |
| 2026-07-02 | A05629 | ATH → ORD | Jul 2, 10:10 UTC | Jul 2, 21:05 UTC | 10h 55m | - | - |
| 2026-07-01 | A05648 | ORD → ORD | Jul 1, 20:40 UTC | Jul 1, 20:45 UTC | 5m | - | - |
| 2026-07-01 | A05648 | ATH → ORD | Jul 1, 10:00 UTC | Jul 1, 20:24 UTC | 10h 24m | +25m | +2m |
| 2026-07-01 | A05648 | ATH → ORD | Jul 1, 10:05 UTC | Jul 1, 20:45 UTC | 10h 40m | - | - |
| 2026-06-30 | A05628 | - | Jun 30, 21:30 UTC | Jun 30, 21:40 UTC | 10m | - | - |
| 2026-06-30 | A05628 | ATH → ORD | Jun 30, 11:05 UTC | Jun 30, 21:40 UTC | 10h 35m | - | - |
| 2026-06-30 | A05628 | ATH → ORD | Jun 30, 11:00 UTC | Jun 30, 21:14 UTC | 10h 14m | +85m | +3m |
| 2026-06-29 | A0566A | ATH → ORD | Jun 29, 09:55 UTC | Jun 29, 19:46 UTC | 9h 51m | +20m | -14m |
| 2026-06-29 | A0566A | - | Jun 29, 09:50 UTC | Jun 29, 14:50 UTC | 5h 0m | - | - |
| 2026-06-28 | A05626 | ATH → ORD | Jun 28, 10:04 UTC | Jun 28, 20:14 UTC | 10h 10m | - | - |
Performance history
- Flights tracked
- 164 showing last 30
- Avg arrival delay
- +1m
- On-time arrival
- 100% 100% on time
- Aircraft used
- 14
Monthly activity 4 months
| Month | Flights tracked |
|---|---|
| July 2026 | 24 |
| June 2026 | 51 |
| May 2026 | 50 |
| April 2026 | 39 |
UAL423 frequently asked
How long is flight UAL423?
Based on observed flights, UAL423 takes on average 8h 48m from takeoff to landing.
How often does UAL423 fly?
UAL423 has been observed flying several times a week in our tracking data. We've recorded 164 flights under this callsign.
Is flight UAL423 usually on time?
Across recent flights, UAL423 arrives with an average 1-minute delay. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL423?
UAL423 has been operated by 14 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL423 live?
Yes. When UAL423 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.