Flight Reliability
DL 2043 · Delta Air Lines
Atlanta → Tulsa (ATL–TUL)97% of its flights flew this route. The rest (RSW–DTW) are included in these numbers.
78
Usually Fine
WanderNerd Reliability Score
- 83%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 3.0%
- Cancelled
- 10 min early
- Median arrival delay
Based on 361 historical flights. Data through May 2026.
What the data says
Morning flights do better here.
DL 2043 departing between 6–9 AM arrived on time 100% of the time, versus 82% between 9 PM–12 AM.
Friday is doing you no favors.
DL 2043 arrived on time 90% of the time on Wednesdays. On Fridays: 76%.
Keep a backup plan handy.
DL 2043 was cancelled 3.0% of the time. Typical for U.S. flights is around 1–2%.
The breakdown
- Mon81%(52 flights)
- Tue81%(52 flights)
- Wed90%(50 flights)
- Thu79%(48 flights)
- Fri76%(46 flights)
- Sat86%(50 flights)
- Sun86%(51 flights)
- 6–9 AM100%(12 flights)
- 9 PM–12 AM82%(337 flights)
83%
May
Jun 53% → May 83% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 53% | 30 |
| July 2025 | 70% | 30 |
| August 2025 | 81% | 31 |
| September 2025 | 97% | 30 |
| October 2025 | 87% | 31 |
| November 2025 | 82% | 28 |
| December 2025 | 92% | 26 |
| January 2026 | 89% | 27 |
| February 2026 | 86% | 28 |
| March 2026 | 80% | 30 |
| April 2026 | 97% | 29 |
| May 2026 | 83% | 29 |
- Departures on time
- 83%
- Diverted
- 0.3%
- Flights flown
- 349
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 361 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.