DL1251Delta Air Lines · ATL → TUS
updated 2h ago
Route confirmed Delta Air Lines

DL1251 AtlantaATL · 20:59 TucsonTUS · 22:55

DL1251 by Delta Air Lines flies from Atlanta (ATL) to Tucson (TUS).

Right nowNext departure today Operates daily
20:59

scheduled from ATL

⚖ DL1251 typically leaves +13 and lands −1. The air wins minutes back.
Typical gate push+13 minmedian posted departure
Typical arrival−1 minmedian over 14 operations
Wins back in air~14 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
11-08
+13 gate · −10 arrival
11-07
+27 gate · −3 arrival
11-06
+23 gate · +4 arrival
11-05
+16 gate · +2 arrival
11-04
+10 gate · +6 arrival
11-03
+9 gate · −9 arrival
11-02
+18 gate · +6 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 −1 min · 0 cancelled · 15 operations tracked

The route today

live boards
ATLAtlantaOn-time likelyATL delay board →
TUSTucsonOn-time likelyTUS delay board →
ATL→TUSevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
36%Chance of 15+ min delay
0.5%Chance of cancellation
+13 minTypical airport delay in this weather

Conditions at ATL and TUS are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. 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 Atlanta

Forecast

Mon 9 Nov, local date

High22°Clikely 20°C to 23°C
Low8°Clikely 7°C to 9°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 Tucson

Forecast

Mon 9 Nov, local date

High26°Clikely 25°C to 27°C
Low13°Clikely 11°C to 15°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.

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 Atlanta to Tucson flights today

same route · Delta Air Lines
DL937departs 11:21

If DL1251 is cancelled, this is the other Delta Air Lines nonstop flight from Atlanta to Tucson on the same day, with scheduled departure times in ATL 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 DL1251 actually runs

Pro Flight Search has tracked every published board update for DL1251 across the ATL and TUS boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 14 confirmed landings · 13/14 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how DL1251 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
11-08ATL 20:59 21:12 (+13)TUS 22:55 22:45 (−10)
11-07ATL 20:59 21:26 (+27)TUS 22:55 22:52 (−3)
11-06ATL 20:59 21:22 (+23)TUS 22:55 22:59 (+4)
11-05ATL 20:59 21:15 (+16)TUS 22:55 22:57 (+2)
11-04ATL 20:59 21:09 (+10)TUS 22:55 23:01 (+6)
11-03ATL 20:59 21:08 (+9)TUS 22:55 22:46 (−9)
11-02ATL 20:59 21:17 (+18)TUS 22:55 23:01 (+6)
11-01ATL 20:59 21:12 (+13)TUS 22:55 22:45 (−10)
10-31ATL 20:59 21:11 (+12)TUS 21:55 (+0)
10-30ATL 20:59 21:46 (+47)TUS 21:55 22:15 (+20)
10-29ATL 20:59 21:08 (+9)TUS 21:55 21:43 (−12)
10-28ATL 20:34 20:47 (+13)TUS 21:30 21:21 (−9)
10-27ATL 20:30 20:55 (+25)TUS 21:26 21:29 (+3)
10-26ATL 20:59 21:09 (+10)TUS 21:55 21:36 (−19)
10-25ATL 20:59 21:47 (+48)TUS

Aircraft

Recent tails: N884DN, N863DN, N805DN, N883DN.

Board clocks recorded as ATL and TUS published them.

Planning around DL1251? 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: DL1251 Atlanta to Tucson on-time performance, measured from the ATL and TUS airport boards.

Canonical URL
https://proflightsearch.com/flight/DL1251
How we measure this →