Flight number record
DL 736
Delta Air Lines · New Orleans to Salt Lake City
- Route
- MSY → SLC
- Departs
- 13:45
- Flights
- 360
- Period
- September 2025 to August 2026
Historical statistics for September 2025 to August 2026, not live status. For today’s DL 736, check with Delta Air Lines.
DL 736 earns an A+. Close to nine flights in ten arrive inside the 15-minute window the DOT uses to define an on-time arrival, which puts it 14 points better than the national rate of 77.3%. When something does go wrong the average delay runs an hour and a half. That rests on 360 flights, with a median arrival 11 minutes early.
Set against the rest of the country, DL 736's record is 14 points better than the US average of 77.3%. That gap is worth roughly 135 fewer late arrivals for every thousand flights.
Key figures
On time
90.8%
Arrivals under 15 minutes late, of 358 completed flights
Avg delay
99 min
Across delayed arrivals only, not all flights
Cancelled
0.00%
National rate is 1.89%
1 hour+ late
4.2%
National rate is 8.3%
These figures cover 360 flights between September 2025 and August 2026. The median arrival is 11 minutes early, which is the part an average hides: most flights here are fine, and the on-time rate is decided by a tail of badly late ones. On-time means under 15 minutes late, the DOT's own threshold.
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Schedule
When DL 736 flies
DL 736 flies MSY to SLC without a single fixed slot. Its most common scheduled departure was 13:45, used on 56 of 360 flights, with 13:30 (50 flights) and 13:47 (38 flights) next.
- Departs 13:4556 flights15.6%
- Departs 13:3050 flights13.9%
- Departs 13:4738 flights10.6%
Scale runs 0% to 100%.
Share of scheduled departures at each local time. Times used on fewer than one flight in ten are not listed.
A 13:45 departure sits in the 11am–2pm window. Across every US flight scheduled in that window the on-time rate is 78.3%, and DL 736 runs 13 points better at 90.8%. Midday slots inherit some of the morning's delays without yet carrying the full weight of the evening's.
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Against the route
DL 736 next to MSY to SLC
Every carrier on MSY to SLC combined arrived on time 90.7% of the time across 455 flights, so DL 736 is about level with it. Across its whole network Delta Air Lines managed 81.1%, which this flight beats by 10 points.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| DL 736thin sample | 360 | 90.8% | 99 min | 0.00% | A+ |
| All Delta Air Lines on MSY–SLC | 455 | 90.7% | 91 min | 0.22% | A+ |
| All carriers on MSY–SLC | 455 | 90.7% | 91 min | 0.22% | A+ |
| Delta Air Lines, whole network | 1,039,517 | 81.1% | 71 min | 1.74% | B |
Across the year
DL 736 quarter by quarter
DL 736 did not run the same all year. Its best quarter was Jul–Sep 2025 at 100.0% on time and its weakest Jul–Sep 2026 at 82.3%, a swing of 18 points on roughly 72 flights a quarter. The twelve-month rate averages over that, so if you are flying in a weak quarter the quarter's own figure is the better guide.
- Jul–Sep 202530 flights100.0%
- Oct–Dec 202588 flights96.6%
- Jan–Mar 202689 flights89.9%
- Apr–Jun 202691 flights88.8%
- Jul–Sep 202662 flights82.3%
Scale runs 75% to 100%.
By weekday, DL 736 ranged from 84.9% on Monday to 94.1% on Tuesday. With about 51 flights behind each day, a spread of 9 points is inside normal variation, so the day you fly is not worth changing for this flight.
Arrival by arrival
How late DL 736 runs when it is late
DL 736 often beats the schedule: 137 of 358 completed flights, 38%, arrived 15 minutes or more early. The 33 late arrivals split 13 under half an hour, 5 between 30 and 60 minutes, and 15 an hour or more.
- 15+ min early137 flights38.3%
- Within 15 min188 flights52.5%
- 15–29 min late13 flights3.6%
- 30–59 min late5 flights1.4%
- 1–2 hours late7 flights2.0%
- 2+ hours late8 flights2.2%
Scale runs 0% to 100%.
Share of 358 completed flights by arrival against schedule.
9 of 34 late departures made up the time and arrived on time, 26% of them. 8 flights left on time and still arrived late.
The worst days
Worst days for DL 736
The latest arrival of the period was on 20 July 2026, 17 hours 37 minutes behind schedule; most of its delay minutes were filed as carrier-caused (crew, maintenance, fuelling, baggage). The five worst days are spread across July, May and June, with no single month standing out.
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 20 July 2026 | 17 hours 37 minutes | Carrier |
| 7 July 2026 | 4 hours 31 minutes | Extreme weather |
| 23 May 2026 | 3 hours 35 minutes | Late-arriving aircraft |
| 15 June 2026 | 2 hours 45 minutes | Carrier |
| 6 June 2026 | 2 hours 29 minutes | Late-arriving aircraft |
Delay causes
Why DL 736 runs late
Carrier accounts for 49% of the 3,269 delay minutes carriers reported here, and the remaining four split what is left.
- 49%Carrier
- 36%Late-arriving aircraft
- 9%National Airspace System
- 5%Extreme weather
36% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. Across 3,269 reported delay minutes here, that single category outweighs weather by 7 to one. The split is drawn from 3,269 delay minutes reported on DL 736.
Cancellations are rare at 0.00%, below the national 1.89% and low enough to earn the plus on the grade. Almost no flights are called off; the risk here is arriving late, not not arriving.
Connections and routes
What a delay on this flight costs
Badly late arrivals are rare here: only 4.2% land an hour or more behind schedule, against 8.3% nationally. Connections built on this flight are about as safe as US domestic connections get, though a cancelled flight still ignores every layover you give it.
The 1,429 miles between these two airports put this in the middle of the US network, around two and a half to three hours of block time. That is enough cruise to absorb a ten-minute late pushback and not enough to absorb thirty.
Every one of the 360 flights under DL 736 in the data flew MSY to SLC. The number was not reused on any other city pair, which makes this a clean record of one route.
One caution: this is a thin sample. 360 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.
What to do with this
Booking DL 736
For a booking, DL 736 has one of the better records a US domestic flight can show: 90.8% on time and 0.00% cancelled. That is a base rate, not a promise about any single day.
Related
Where to go next
- Louis Armstrong New Orleans International (MSY) delay statistics
- Salt Lake City International (SLC) delay statistics
- Delta Air Lines on-time record
- Every Delta Air Lines flight number with a record
- The most and least reliable flight numbers in the US
- Why the first flight of the morning is statistically safest
A flight number here means Delta Air Lines’s own number as it reports to the DOT. How the figures are computed is on the methodology page.
Source: US DOT Bureau of Transportation Statistics, on-time performance data, September 2025 to August 2026. Last updated ; recomputed monthly. How this data is collected.