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Delta Air Lines

Is DL4100 delayed?

Service date: · Scheduled departure date (UTC)

DepartedLast reported

3 min late

This update may be out of date. Check with your airline.

Update time unavailable

Departure

San Jose

SJC

Actual

Scheduled 03:58

Sep 25

Arrival

Seattle

SEA

Scheduled

Sep 24

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Not available
Actual
Not available

Recent arrivals

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

  • SJC → SEA

    <1 min late

  • SEA → SJC

    2 min early

  • SJC → SEA

    2 min late

  • SJC → SEA

    10 min late

  • SEA → SJC

    8 min early
Flight history and details

Aug 26, 2026 — Sep 25, 2026

Observed arrivals
39
Arrivals over 15 minutes late
6
Observed cancellations
0
Observed occurrences
49

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

DL4100 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 24, 2026ArrivedSan JoseSeattle
0
Sep 23, 2026ArrivedSeattleSan Jose
-2
Sep 23, 2026ArrivedSan JoseSeattle
2
Sep 22, 2026ArrivedSan JoseSeattle
10
Sep 21, 2026ArrivedSeattleSan Jose
-8
Sep 21, 2026ArrivedSan JoseSeattle
-8
Sep 20, 2026ArrivedSeattleSan Jose
-36
Sep 19, 2026ArrivedSeattleSan Jose
-32
Sep 19, 2026ArrivedSan JoseSeattle
5
Sep 18, 2026ArrivedSeattleSan Jose
-9
Sep 18, 2026ArrivedSan JoseSeattle
22
Sep 17, 2026ArrivedSeattleSan Jose
17
Sep 17, 2026ArrivedSan JoseSeattle
75
Sep 16, 2026ArrivedSeattleSan Jose
77
Sep 16, 2026ArrivedSan JoseSeattle
0
Sep 15, 2026ArrivedSeattleSan Jose
-6
Sep 15, 2026ArrivedSan JoseSeattle
0
Sep 14, 2026ArrivedSeattleSan Jose
13
Sep 14, 2026ArrivedSan JoseSeattle
86
Sep 13, 2026ArrivedSeattleSan Jose
168
Sep 12, 2026ArrivedSeattleSan Jose
4
Sep 12, 2026ArrivedSan JoseSeattle
0
Sep 11, 2026ArrivedSeattleSan Jose
-33
Sep 11, 2026ArrivedSan JoseSeattle
1
Sep 10, 2026ArrivedSeattleSan Jose
3
Sep 10, 2026ArrivedSan JoseSeattle
0
Sep 9, 2026ArrivedSan JoseSeattle
-3
Sep 8, 2026ArrivedSeattleSan Jose
-16
Sep 8, 2026ArrivedSan JoseSeattle
4
Sep 7, 2026ArrivedSeattleSan Jose
9
Sep 7, 2026ArrivedSan JoseSeattle
-17
Sep 6, 2026ArrivedSeattleSan Jose
-35
Sep 6, 2026ArrivedSan JoseSeattle
8
Sep 5, 2026ArrivedSeattleSan Jose
-15
Sep 5, 2026ArrivedSan JoseSeattle
12
Sep 4, 2026ArrivedSeattleSan Jose
5
Sep 3, 2026ArrivedSeattleSan Jose
-5
Aug 30, 2026ArrivedSeattleSan Jose
-35
Aug 29, 2026ArrivedSeattleSan Jose
-39

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