Flight Reliability
DL 5527 · Delta Air Lines
Minneapolis → Knoxville (MSP–TYS)
73
Usually Fine
WanderNerd Reliability Score
- 74%
- Arrive within 15 minutes
- 13 min
- Average arrival delay
- 1.4%
- Cancelled
- 5 min early
- Median arrival delay
Based on 354 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
DL 5527 arrived on time 82% of the time on Thursdays and just 62% on Fridays. That gap is worth planning around.
Lagging the Delta Air Lines network.
DL 5527 arrived on time 74% of the time, versus 81% across the Delta Air Lines network.
The breakdown
- Mon81%(52 flights)
- Tue78%(51 flights)
- Wed75%(52 flights)
- Thu82%(49 flights)
- Fri62%(50 flights)
- Sat76%(42 flights)
- Sun65%(51 flights)
- 3–6 PM—(3 flights)
- 6–9 PM74%(344 flights)
84%
May
Jun 79% → May 84% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 79% | 28 |
| July 2025 | 65% | 31 |
| August 2025 | 87% | 31 |
| September 2025 | 76% | 29 |
| October 2025 | 75% | 28 |
| November 2025 | 72% | 25 |
| December 2025 | 70% | 27 |
| January 2026 | 72% | 29 |
| February 2026 | 75% | 28 |
| March 2026 | 63% | 30 |
| April 2026 | 70% | 30 |
| May 2026 | 84% | 31 |
- Departures on time
- 80%
- Diverted
- 0.6%
- Flights flown
- 347
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 354 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.