JL121Japan Airlines · HND → ITM
live · 11m ago
Route confirmed Japan Airlines

JL121 TokyoHND · 14:30 OsakaITM · 15:40

JL121 by Japan Airlines flies from Tokyo (HND) to Osaka (ITM) for the Fri, Nov 6 departure.

Right nowCheck-in · today
14:30

departs HND · on schedule

Typical gate push+11 minmedian posted departure
Typical arrival+14 minmedian over 15 operations
Cancellation0 in 15tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
11-05
+5 gate · +0 arrival
11-04
+13 gate · +11 arrival
11-03
+4 gate · +4 arrival
11-02
+8 gate · +6 arrival
11-01
+2 gate · −6 arrival
10-31
+21 gate · +17 arrival
10-30
+30 gate · +40 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The last 30 days

arrival outcome per operation

median arrival +14 min · 0 cancelled · 15 operations tracked

The route today

live boards
HNDTokyoOn-time likelyHND delay board →
ITMOsakaOn-time likelyITM delay board →
HND→ITMevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
35%Chance of 15+ min delay
3.2%Chance of cancellation
+8 minTypical airport delay in this weather

Conditions at HND and ITM are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

Tomorrow at Tokyo

Forecast

Sat 7 Nov, local date

High19°Clikely 17°C to 20°C
Low13°Clikely 11°C to 14°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at Osaka

Forecast

Sat 7 Nov, local date

High18°Clikely 16°C to 19°C
Low10°Clikely 9°C to 12°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Tokyo to Osaka flights today

same route · Japan Airlines
JL101departs 06:30
JL103departs 07:30
JL107departs 08:30
JL111departs 09:30
JL113departs 10:30
JL115departs 11:30

If JL121 is cancelled, these are the other Japan Airlines nonstop flights from Tokyo to Osaka on the same day, with scheduled departure times in HND local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How JL121 actually runs

Pro Flight Search has tracked every published board update for JL121 across the HND and ITM boards: schedule changes, gate pushes and actual clocks. Usually lands ~11 min late. Based on 13 confirmed landings · 8/13 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how JL121 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
11-05HND 14:30 14:35 (+5)ITM 15:40 (+0)
11-04HND 14:30 14:43 (+13)ITM 15:40 15:51 (+11)
11-03HND 14:30 14:34 (+4)ITM 15:40 15:44 (+4)
11-02HND 14:30 14:38 (+8)ITM 15:40 15:46 (+6)
11-01HND 14:30 14:32 (+2)ITM 15:40 15:34 (−6)
10-31HND 14:30 14:51 (+21)ITM 15:40 15:57 (+17)
10-30HND 14:30 15:00 (+30)ITM 15:40 16:20 (+40)
10-29HND 14:30 14:54 (+24)ITM 15:40 15:56 (+16)
10-28HND 14:30 14:53 (+23)ITM 15:40 16:01 (+21)
10-27HND 14:30 14:35 (+5)ITM 15:40 15:45 (+5)
10-26HND 14:30 14:38 (+8)ITM 15:40 15:46 (+6)
10-25HND 14:30 15:42 (+72)ITM 15:40 16:46 (+66)
10-24HND 14:35 14:46 (+11)ITM 15:40 15:54 (+14)
10-23HND 14:35 14:52 (+17)ITM 15:40 16:00 (+20)
10-22HND 14:35 14:45 (+10)ITM 15:40 15:55 (+15)

Board clocks recorded as HND and ITM published them.

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: JL121 Tokyo to Osaka on-time performance, measured from the HND and ITM airport boards.

Canonical URL
https://proflightsearch.com/flight/JL121
How we measure this →