Flight Reliability
DL 3230 · Delta Air Lines
Richmond → Detroit (RIC–DTW)
92
Nerd Approved
WanderNerd Reliability Score
- 92%
- Arrive within 15 minutes
- 7 min early
- Average arrival delay
- 2.1%
- Cancelled
- 14 min early
- Median arrival delay
Based on 195 historical flights. Data through May 2026.
What the data says
Saturdays have been rough.
DL 3230 arrived on time 100% of the time on Tuesdays and just 85% on Saturdays. That gap is worth planning around.
Better than the RIC–DTW route average.
DL 3230 arrived on time 92% of the time, versus 83% across the RIC–DTW route.
Better than the Delta Air Lines network average.
DL 3230 arrived on time 92% of the time, versus 81% across the Delta Air Lines network.
Slipping a little lately.
DL 3230 arrived on time 89% of the time over the last three months in the data, compared with 93% in the three months before that.
The breakdown
- Mon93%(27 flights)
- Tue100%(28 flights)
- Wed89%(28 flights)
- Thu93%(27 flights)
- Fri93%(28 flights)
- Sat85%(26 flights)
- Sun93%(27 flights)
84%
Dec
Jun 95% → Dec 84% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 95% | 21 |
| July 2025 | 90% | 30 |
| August 2025 | 94% | 31 |
| September 2025 | 97% | 30 |
| October 2025 | 90% | 31 |
| November 2025 | 93% | 29 |
| December 2025 | 84% | 19 |
- Departures on time
- 91%
- Diverted
- 0%
- Flights flown
- 191
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 195 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.