Flight Reliability
DL 2423 · Delta Air Lines
Atlanta → Oklahoma City (ATL–OKC)
72
Usually Fine
WanderNerd Reliability Score
- 78%
- Arrive within 15 minutes
- 8 min
- Average arrival delay
- 2.8%
- Cancelled
- 6 min early
- Median arrival delay
Based on 361 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
DL 2423 arrived on time 85% of the time on Saturdays and just 69% on Fridays. That gap is worth planning around.
A bit behind the Delta Air Lines network.
DL 2423 arrived on time 78% of the time, versus 81% across the Delta Air Lines network.
Ticking up lately.
DL 2423 arrived on time 84% of the time over the last three months in the data, compared with 79% in the three months before that.
The breakdown
- Mon73%(52 flights)
- Tue83%(52 flights)
- Wed82%(50 flights)
- Thu80%(50 flights)
- Fri69%(45 flights)
- Sat85%(48 flights)
- Sun71%(52 flights)
- 6–9 PM—(1 flights)
- 9 PM–12 AM78%(348 flights)
73%
May
Jun 56% → May 73% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 56% | 27 |
| July 2025 | 63% | 30 |
| August 2025 | 71% | 31 |
| September 2025 | 80% | 30 |
| October 2025 | 90% | 31 |
| November 2025 | 79% | 28 |
| December 2025 | 75% | 28 |
| January 2026 | 74% | 27 |
| February 2026 | 89% | 27 |
| March 2026 | 90% | 30 |
| April 2026 | 90% | 30 |
| May 2026 | 73% | 30 |
- Departures on time
- 78%
- Diverted
- 0.6%
- 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.