DL4820 MinneapolisMSP · 15:40 ChicagoMDW · 13:20
DL4820 by Delta Air Lines flies from Minneapolis (MSP) to Chicago (MDW) for the Thu, Sep 17 departure.
arrived at MDW · 37 min late
Where the minutes go
last 4 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by MSP (Minneapolis), currently flying MVFR (marginal visual). For this route and airline, 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 →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Minneapolis to Chicago flights today
same route · Delta Air LinesIf DL4820 is cancelled, these are the other Delta Air Lines nonstop flights from Minneapolis to Chicago on the same day, with scheduled departure times in MSP local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How DL4820 actually runs
Pro Flight Search has tracked every published board update for DL4820 across the MSP and MDW boards: schedule changes, gate pushes and actual clocks. Usually lands ~37 min late. Based on 4 confirmed landings · 2/4 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how DL4820 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as MSP and MDW published them.
Planning around DL4820? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — DL4820 Minneapolis to Chicago on-time performance, measured from the MSP and MDW airport boards.
https://proflightsearch.com/flight/DL4820
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