Flight Reliability
DL 735 · Delta Air Lines
SBA → Atlanta (SBA–ATL)82% of its flights flew this route. The rest (DFW–DTW, PIT–MSP) are included in these numbers.
- 76%
- Arrive within 15 minutes
- 15 min
- Average arrival delay
- 3.2%
- Cancelled
- 7 min early
- Median arrival delay
Based on 284 historical flights. Data through May 2026.
What the data says
12–3 PM has a slight edge.
Departures between 12–3 PM arrived on time 79% of the time, against 76% between 6–9 AM.
Sunday scaries are real for this one.
DL 735 arrived on time 85% of the time on Thursdays and just 68% on Sundays. That gap is worth planning around.
A bit behind the Delta Air Lines network.
DL 735 arrived on time 76% of the time, versus 81% across the Delta Air Lines network.
Keep a backup plan handy.
DL 735 was cancelled 3.2% of the time. Typical for U.S. flights is around 1–2%.
The breakdown
- Mon81%(41 flights)
- Tue74%(39 flights)
- Wed71%(38 flights)
- Thu85%(39 flights)
- Fri79%(38 flights)
- Sat76%(38 flights)
- Sun68%(40 flights)
- 6–9 AM76%(248 flights)
- 9 AM–12 PM—(1 flights)
- 12–3 PM79%(24 flights)
Jun 48% → May 83% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 48% | 27 |
| July 2025 | 73% | 30 |
| August 2025 | 77% | 30 |
| September 2025 | 80% | 30 |
| October 2025 | 81% | 31 |
| November 2025 | 89% | 27 |
| December 2025 | 83% | 29 |
| January 2026 | 58% | 19 |
| April 2026 | 85% | 20 |
| May 2026 | 83% | 30 |
- Departures on time
- 74%
- Diverted
- 0.7%
- Flights flown
- 273
- Months covered
- 10
Keep nerding
Based on 284 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.