DL4321Delta Air Lines · SGU → SLC
live · 5h ago
Route confirmed Delta Air Lines

DL4321 St GeorgeSGU Salt Lake CitySLC · 16:37

DL4321 by Delta Air Lines flies from St George (SGU) to Salt Lake City (SLC) for the Sun, Sep 13 departure.

Right nowExpected in Salt Lake City · today
15:58

arrival expected at SLC · 39 min early

Typical arrival−29 minmedian over 13 operations
Cancellation0 in 13tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
09-12
−31 arrival
09-11
−9 arrival
09-10
−29 arrival
09-09
−30 arrival
09-08
−43 arrival
09-07
−26 arrival
09-06
−33 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 −29 min · 0 cancelled · 13 operations tracked

The route today

live boards
SGUSt GeorgeOn-time likelySGU delay board →
SLCSalt Lake CityOn-time likelySLC delay board →
SGU→SLCevery carrier, schedules and on-time historyRoute intelligence →

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.

How DL4321 actually runs

Pro Flight Search has tracked every published board update for DL4321 across the SGU and SLC boards: schedule changes, gate pushes and actual clocks. Usually lands ~26 min early. Based on 13 confirmed landings · 12/13 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how DL4321 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
09-12SGU SLC 16:37 16:06 (−31)
09-11SGU SLC 16:37 16:28 (−9)
09-10SGU SLC 16:37 16:08 (−29)
09-09SGU SLC 16:37 16:07 (−30)
09-08SGU SLC 16:37 15:54 (−43)
09-07SGU SLC 16:37 16:11 (−26)
09-06SGU SLC 16:37 16:04 (−33)
09-05SGU SLC 16:37 16:05 (−32)
09-04SGU SLC 16:37 16:27 (−10)
09-03SGU SLC 16:37 16:16 (−21)
09-02SGU SLC 16:37 16:04 (−33)
09-01SGU SLC 16:37 16:09 (−28)
08-31SGU SLC 16:37 20:15 (+218)

Aircraft

Recent tails: N712SK, N374CA, N778SK, N297SY.

Board clocks recorded as SGU and SLC published them.

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 — DL4321 St George to Salt Lake City on-time performance, measured from the SGU and SLC airport boards.

Canonical URL
https://proflightsearch.com/flight/DL4321
How we measure this →