MU5121China Eastern Airlines · SHA → PEK
live · 10m ago
Route confirmed China Eastern Airlines

MU5121 ShanghaiSHA · 18:00 BeijingPEK · 20:15

MU5121 by China Eastern Airlines flies from Shanghai (SHA) to Beijing (PEK) for the Mon, Nov 16 departure.

Right nowScheduled · today
18:00

departs SHA · on schedule

⚖ MU5121 typically leaves +21 and lands −8. The air wins minutes back.
Typical gate push+21 minmedian posted departure
Typical arrival−8 minmedian over 15 operations
Wins back in air~29 minmedian gate push vs arrival · how planes make up time → Cancellation0 in 15tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
11-16
−8 arrival
11-15
+21 gate · −19 arrival
11-14
+29 gate · −8 arrival
11-13
+20 gate · −17 arrival
11-12
+25 gate · −8 arrival
11-11
+16 gate · −8 arrival
11-10
+14 gate · −10 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 −8 min · 0 cancelled · 15 operations tracked

The route today

live boards
SHAShanghaiModerate riskSHA delay board →
PEKBeijingOn-time likelyPEK delay board →
SHA→PEKevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
18%Chance of 15+ min delay
1.4%Chance of cancellation
-8 minTypical airport delay in this weather

Driven mainly by PEK (Beijing), currently flying MVFR (marginal visual). 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 Shanghai

Forecast

Tue 17 Nov, local date

High18°Clikely 16°C to 21°C
Low13°Clikely 11°C to 15°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 Beijing

Forecast

Tue 17 Nov, local date

High10°Clikely 7°C to 12°C
Low0°Clikely −2°C to 3°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 Shanghai to Beijing flights today

same route · China Eastern Airlines
MU5099departs 07:00
MU5101departs 08:00
MU5103departs 09:00
MU5153departs 09:30
MU5105departs 10:00
MU5107departs 11:00

If MU5121 is cancelled, these are the other China Eastern Airlines nonstop flights from Shanghai to Beijing on the same day, with scheduled departure times in SHA 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 MU5121 actually runs

Pro Flight Search has tracked every published board update for MU5121 across the SHA and PEK boards: schedule changes, gate pushes and actual clocks. Usually lands ~8 min early. Based on 13 confirmed landings · 13/13 within 15 min of schedule. Pushes back late but makes up time in the air.

The verdict above is that record speaking, so it reflects how MU5121 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
11-16SHA 18:00PEK 20:15 20:07 (−8)
11-15SHA 18:00 18:21 (+21)PEK 20:15 19:56 (−19)
11-14SHA 18:00 18:29 (+29)PEK 20:15 20:07 (−8)
11-13SHA 18:00 18:20 (+20)PEK 20:15 19:58 (−17)
11-12SHA 18:00 18:25 (+25)PEK 20:15 20:07 (−8)
11-11SHA 18:00 18:16 (+16)PEK 20:15 20:07 (−8)
11-10SHA 18:00 18:14 (+14)PEK 20:15 20:05 (−10)
11-09SHA 18:00 18:17 (+17)PEK 20:15 20:07 (−8)
11-08SHA 18:00 18:13 (+13)PEK 20:15 19:57 (−18)
11-06SHA 18:00 18:28 (+28)PEK 20:15 20:16 (+1)
11-05SHA 18:00 18:30 (+30)PEK 20:15 20:20 (+5)
11-04SHA 18:00 18:13 (+13)PEK 20:15 20:02 (−13)
11-03SHA 18:00 18:14 (+14)PEK 20:15 20:00 (−15)
11-02SHA 18:00 18:30 (+30)PEK 20:15 20:28 (+13)
11-01SHA 18:00 18:29 (+29)PEK 20:15 20:10 (−5)

Aircraft

Recent tails: B-7883, B-7367, B-1049, B-7365.

Board clocks recorded as SHA and PEK published them.

Planning around MU5121? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

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: MU5121 Shanghai to Beijing on-time performance, measured from the SHA and PEK airport boards.

Canonical URL
https://proflightsearch.com/flight/MU5121
How we measure this →