DL4820 ChicagoMDW · 12:27 MinneapolisMSP · 14:10
DL4820 by Delta Air Lines flies from Chicago (MDW) to Minneapolis (MSP) for the Sun, Oct 18 departure.
estimated arrival at MSP · local time · ~1 min from now
board checked 20m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 12:19.
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
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at MDW and MSP are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. 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 Chicago to Minneapolis flights today
same route · Delta Air LinesIf DL4820 is cancelled, these are the other Delta Air Lines nonstop flights from Chicago to Minneapolis on the same day, with scheduled departure times in MDW 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 MDW and MSP boards: schedule changes, gate pushes and actual clocks. Usually departs ~5 min early. Based on 4 confirmed departures · 4/4 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 MDW and MSP 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 Chicago to Minneapolis on-time performance, measured from the MDW and MSP airport boards.
https://proflightsearch.com/flight/DL4820
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