Flight Reliability
DL 3604 · Delta Air Lines
Nashville → Austin (BNA–AUS)
95
Nerd Approved
WanderNerd Reliability Score
- 87%
- Arrive within 15 minutes
- 0 min
- Average arrival delay
- 0%
- Cancelled
- 10 min early
- Median arrival delay
Based on 195 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
DL 3604 arrived on time 93% of the time on Thursdays. On Fridays: 82%.
A bit ahead of the BNA–AUS route.
DL 3604 arrived on time 87% of the time, versus 82% across the BNA–AUS route.
A bit ahead of the Delta Air Lines network.
DL 3604 arrived on time 87% of the time, versus 81% across the Delta Air Lines network.
It basically never cancels.
Out of 195 scheduled flights, only 0.0% were cancelled.
The breakdown
- Mon82%(28 flights)
- Tue82%(28 flights)
- Wed89%(28 flights)
- Thu93%(28 flights)
- Fri82%(28 flights)
- Sat89%(27 flights)
- Sun89%(28 flights)
79%
Dec
Jun 91% → Dec 79% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 91% | 23 |
| July 2025 | 77% | 31 |
| August 2025 | 84% | 31 |
| September 2025 | 90% | 30 |
| October 2025 | 94% | 31 |
| November 2025 | 90% | 30 |
| December 2025 | 79% | 19 |
- Departures on time
- 87%
- Diverted
- 0%
- Flights flown
- 195
- 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.