Flight number record
DL 1736
Delta Air Lines · Atlanta to Fort Myers
- Route
- ATL → RSW
- Departs
- 19:59
- Flights
- 325
- Period
- September 2025 to August 2026
Historical statistics for September 2025 to August 2026, not live status. For today’s DL 1736, check with Delta Air Lines.
DL 1736 draws a C+. About one flight in three arrives at least 15 minutes late, and the typical late arrival is about an hour behind schedule. Build slack into anything you connect to. That rests on 325 flights, with a median arrival 1 minute early.
The national on-time rate over the same period is 77.3%, so DL 1736 runs 12 points behind the country as a whole. Across a thousand flights that is about 117 extra late arrivals.
Key figures
On time
65.6%
Arrivals under 15 minutes late, of 323 completed flights
Avg delay
62 min
Across delayed arrivals only, not all flights
Cancelled
0.62%
National rate is 1.89%
1 hour+ late
13.9%
National rate is 8.3%
These figures cover 325 flights between September 2025 and August 2026. Beyond the headline rate, 13.9% of arrivals land a full hour or more behind schedule, against 8.3% nationally.
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Schedule
When DL 1736 flies
DL 1736 flies ATL to RSW without a single fixed slot. Its most common scheduled departure was 19:59, used on 81 of 325 flights, with 19:35 (34 flights) next.
- Departs 19:5981 flights24.9%
- Departs 19:3534 flights10.5%
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 19:59 departure sits in the 5pm–8pm window. Across every US flight scheduled in that window the on-time rate is 68.0%, and DL 1736 runs 2 points worse at 65.6%. By that time of day most aircraft have flown several legs already, and whatever went wrong earlier is still in the schedule.
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Against the route
DL 1736 next to ATL to RSW
Every carrier on ATL to RSW combined arrived on time 76.8% of the time across 2,806 flights, so DL 1736 is 11 points behind it. Delta flew 2,720 flights on the same city pair under all its flight numbers, including this one, and those ran 77.4% on time. Across its whole network Delta Air Lines managed 81.1%, which this flight trails by 16 points.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| DL 1736thin sample | 325 | 65.6% | 62 min | 0.62% | C+ |
| All Delta Air Lines on ATL–RSW | 2,720 | 77.4% | 57 min | 1.58% | B |
| All carriers on ATL–RSW | 2,806 | 76.8% | 57 min | 1.60% | B |
| Delta Air Lines, whole network | 1,039,517 | 81.1% | 71 min | 1.74% | B |
Across the year
DL 1736 quarter by quarter
DL 1736 did not run the same all year. Its best quarter was Jul–Sep 2025 at 73.3% on time and its weakest Jul–Sep 2026 at 46.7%, a swing of 27 points on roughly 65 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 flights73.3%
- Oct–Dec 202554 flights69.8%
- Jan–Mar 202689 flights66.3%
- Apr–Jun 202691 flights72.5%
- Jul–Sep 202661 flights46.7%
Scale runs 40% to 80%.
By weekday, DL 1736 did best on Wednesday at 85.0% on time and worst on Sunday at 44.0%. Each day rests on about 46 flights, so a gap of 41 points is worth noticing but could still narrow in another year.
Arrival by arrival
How late DL 1736 runs when it is late
The 111 late arrivals split 39 under half an hour, 27 between 30 and 60 minutes, and 45 an hour or more.
- 15+ min early46 flights14.2%
- Within 15 min166 flights51.4%
- 15–29 min late39 flights12.1%
- 30–59 min late27 flights8.4%
- 1–2 hours late32 flights9.9%
- 2+ hours late13 flights4.0%
Scale runs 0% to 100%.
Share of 323 completed flights by arrival against schedule.
Time lost at the gate mostly stays lost. Of 113 departures that left 15 minutes late or more, only 10 made it up before arrival. 8 flights left on time and still arrived late.
The worst days
Worst days for DL 1736
The latest arrival of the period was on 18 June 2026, 4 hours 33 minutes behind schedule; most of its delay minutes were filed as a late-arriving aircraft. The five worst days are spread across June, August, May and October, with no single month standing out.
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 18 June 2026 | 4 hours 33 minutes | Late-arriving aircraft |
| 6 August 2026 | 3 hours 35 minutes | Late-arriving aircraft |
| 14 June 2026 | 3 hours 11 minutes | National Airspace System |
| 22 May 2026 | 3 hours 1 minute | Carrier |
| 10 October 2025 | 3 hours | Carrier |
Delay causes
Why DL 1736 runs late
Carrier accounts for 45% of the 6,832 delay minutes carriers reported here, and the remaining four split what is left.
- 45%Carrier
- 41%Late-arriving aircraft
- 10%National Airspace System
- 3%Extreme weather
- 1%Security
41% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. Across 6,832 reported delay minutes here, that single category outweighs weather by 12 to one. The split is drawn from 6,832 delay minutes reported on DL 1736.
Cancellations are rare at 0.62%, below the national 1.89% and low enough to earn the plus on the grade. Roughly one flight in 100 is called off; the risk here is arriving late, not not arriving.
Connections and routes
What a delay on this flight costs
13.9% of arrivals land a full hour or more behind schedule, against 8.3% nationally. Ninety minutes is the honest minimum for a connection here, and two hours if the onward flight is on a separate ticket.
The 515 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 325 flights under DL 1736 in the data flew ATL to RSW. 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. 325 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 1736
For a booking, DL 1736 is a flight to put a long connection behind. 13.9% of its completed flights arrived an hour or more late, which a short layover will not absorb. If the onward flight is on a separate ticket, the risk sits with you.
Related
Where to go next
- ATL to RSW, every carrier and departure
- RSW to ATL, the return direction
- Delta Air Lines 1196 on the same route82.4%
- Delta Air Lines 1153 on the same route83.3%
- Delta Air Lines 1089 on the same route89.4%
- Delta Air Lines 1124 on the same route71.8%
- Delta Air Lines 1217 on the same route71.8%
- Hartsfield-Jackson Atlanta International (ATL) delay statistics
- Southwest Florida International (RSW) 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.