DL2666Delta Air Lines · SLC → STL
live · 2m ago
Route confirmed Delta Air Lines

DL2666 Salt Lake CitySLC · 20:50 St LouisSTL · 00:44

DL2666 by Delta Air Lines flies from Salt Lake City (SLC) to St Louis (STL).

Right nowNext departure today Operates daily
20:50

scheduled from SLC

⚖ DL2666 typically leaves +12 and lands −14. The air wins minutes back.
Typical gate push+12 minmedian posted departure
Typical arrival−14 minmedian over 13 operations
Wins back in air~26 minmedian gate push vs arrival · how planes make up time → Cancellation0 in 15tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
11-02
+19 gate · −11 arrival
11-01
+4 gate · −24 arrival
10-31
+10 gate · −20 arrival
10-30
+12 gate
10-29
+22 gate · −10 arrival
10-28
+5 gate · −30 arrival
10-27
+39 gate · +3 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 −14 min · 0 cancelled · 15 operations tracked

The route today

live boards
SLCSalt Lake CityOn-time likelySLC delay board →
STLSt LouisOn-time likelySTL delay board →
SLC→STLevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
39%Chance of 15+ min delay
0.2%Chance of cancellation
+12 minTypical airport delay in this weather

Driven mainly by STL (St Louis), currently flying IFR (instrument). These figures come from both airports' records 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 →

Tomorrow at Salt Lake City

Forecast

Tue 3 Nov, local date

High12°Clikely 11°C to 14°C
Low3°Clikely 1°C to 4°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at St Louis

Forecast

Tue 3 Nov, local date

High21°Clikely 20°C to 23°C
Low19°Clikely 14°C to 23°C
  • 53% chance of thunder
  • 97% chance of rain
  • Gusts to 32 kt

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

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.

Other Salt Lake City to St Louis flights today

same route · Delta Air Lines
DL2455departs 09:38
DL1492departs 13:55

If DL2666 is cancelled, these are the other Delta Air Lines nonstop flights from Salt Lake City to St Louis on the same day, with scheduled departure times in SLC local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How DL2666 actually runs

Pro Flight Search has tracked every published board update for DL2666 across the SLC and STL boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 12 confirmed landings · 11/12 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how DL2666 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
11-02SLC 20:50 21:09 (+19)STL 00:44 00:33 (−11)
11-01SLC 17:20 17:24 (+4)STL 21:09 20:45 (−24)
10-31SLC 17:20 17:30 (+10)STL 21:09 20:49 (−20)
10-30SLC 20:50 21:02 (+12)STL
10-29SLC 20:50 21:12 (+22)STL 00:44 00:34 (−10)
10-28SLC 20:50 20:55 (+5)STL 00:44 00:14 (−30)
10-27SLC 20:50 21:29 (+39)STL 00:44 00:47 (+3)
10-26SLC 20:50 21:09 (+19)STL 00:44 00:33 (−11)
10-25SLC 20:50 (+0)STL 00:44 00:21 (−23)
10-24SLC 17:20 17:28 (+8)STL 21:09 20:47 (−22)
10-23SLC 20:50 20:53 (+3)STL
10-22SLC 20:50 21:27 (+37)STL 00:44 00:52 (+8)
10-21SLC 20:50 21:10 (+20)STL 00:44 00:30 (−14)
10-20SLC 20:50 (+0)STL 00:44 00:06 (−38)
10-19SLC 20:50 21:44 (+54)STL 00:44 00:58 (+14)

Aircraft

Recent tails: N131DU, N120DU, N132DU, N124DU.

Board clocks recorded as SLC and STL published them.

Planning around DL2666? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

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: DL2666 Salt Lake City to St Louis on-time performance, measured from the SLC and STL airport boards.

Canonical URL
https://proflightsearch.com/flight/DL2666
How we measure this →