Flight Reliability
DL 3523 · Delta Air Lines
Oklahoma City → Minneapolis (OKC–MSP)93% of its flights flew this route. The rest (SLC–SMF, SMF–SLC) are included in these numbers.
- 90%
- Arrive within 15 minutes
- 1 min
- Average arrival delay
- 0%
- Cancelled
- 9 min early
- Median arrival delay
Based on 210 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
DL 3523 arrived on time 96% of the time on Tuesdays. On Fridays: 82%.
Better than the Delta Air Lines network average.
DL 3523 arrived on time 90% of the time, versus 81% across the Delta Air Lines network.
It basically never cancels.
Out of 210 scheduled flights, only 0.0% were cancelled.
Recent months have been rougher.
DL 3523 arrived on time 80% of the time over the last three months in the data, compared with 92% in the three months before that.
The breakdown
- Mon82%(28 flights)
- Tue96%(28 flights)
- Wed94%(36 flights)
- Thu93%(27 flights)
- Fri82%(28 flights)
- Sat88%(34 flights)
- Sun93%(28 flights)
- 6–9 AM90%(194 flights)
- 9 AM–12 PM—(8 flights)
- 12–3 PM—(7 flights)
Jun 96% → Apr 90% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 96% | 24 |
| July 2025 | 97% | 31 |
| August 2025 | 90% | 31 |
| September 2025 | 97% | 29 |
| October 2025 | 90% | 31 |
| November 2025 | 87% | 30 |
| December 2025 | 63% | 19 |
| April 2026 | 90% | 10 |
- Departures on time
- 91%
- Diverted
- 0.5%
- Flights flown
- 209
- Months covered
- 9
Same route, other flights
Keep nerding
Based on 210 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.