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Delta Air Lines

Is DL4939 delayed?

Service date: · Scheduled departure date (America/New_York)

Arrived

19 min early

Official source · Updated

Departure

New York

LGA

Scheduled

Sep 16

Arrival

St Louis

STL

Actual

Scheduled 13:01

Sep 16

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Not available
Actual
View this flight’s market

Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.

Recent arrivals

Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.

  • LGA → STL

    19 min early

  • LGA → STL

    17 min early

  • STL → LGA

    8 min late

  • STL → LGA

    3 min late

  • LGA → STL

    18 min early
Flight history and details

Aug 17, 2026 — Sep 16, 2026

Observed arrivals
15
Arrivals over 15 minutes late
1
Observed cancellations
0
Observed occurrences
23

Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.

How flight status works

DL4939 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 16, 2026ArrivedNew YorkSt Louis
View this flight’s market
-19
Sep 15, 2026ArrivedNew YorkSt Louis
-17
Sep 13, 2026ArrivedSt LouisNew York
8
Sep 12, 2026ArrivedSt LouisNew York
3
Sep 11, 2026ArrivedNew YorkSt Louis
-18
Sep 10, 2026ArrivedNew YorkSt Louis
-10
Sep 9, 2026ArrivedNew YorkSt Louis
-25
Sep 8, 2026ArrivedNew YorkSt Louis
2
Sep 7, 2026ArrivedNew YorkSt Louis
-11
Sep 5, 2026ArrivedSt LouisNew York
9
Sep 4, 2026ArrivedNew YorkSt Louis
2
Sep 3, 2026ArrivedNew YorkSt Louis
-23
Aug 25, 2026ArrivedNew YorkSt Louis
60
Aug 24, 2026ArrivedNew YorkSt Louis
-18
Aug 21, 2026ArrivedNew YorkSt Louis
-14

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