Flight Reliability
DL 4297 · Delta Air Lines
Detroit → MQT (DTW–MQT)
46
Bring Snacks
WanderNerd Reliability Score
- 77%
- Arrive within 15 minutes
- 19 min
- Average arrival delay
- 7.1%
- Cancelled
- 7 min early
- Median arrival delay
Based on 364 historical flights. Data through May 2026.
What the data says
9 PM–12 AM has a slight edge.
Departures between 9 PM–12 AM arrived on time 81% of the time, against 76% between 6–9 PM.
Friday is doing you no favors.
DL 4297 arrived on time 85% of the time on Thursdays and just 69% on Fridays. That gap is worth planning around.
A bit behind the Delta Air Lines network.
DL 4297 arrived on time 77% of the time, versus 81% across the Delta Air Lines network.
Keep a backup plan handy.
DL 4297 was cancelled 7.1% of the time. Typical for U.S. flights is around 1–2%.
The breakdown
- Mon77%(47 flights)
- Tue82%(49 flights)
- Wed73%(48 flights)
- Thu85%(46 flights)
- Fri69%(48 flights)
- Sat83%(47 flights)
- Sun72%(47 flights)
- 3–6 PM—(2 flights)
- 6–9 PM76%(256 flights)
- 9 PM–12 AM81%(74 flights)
90%
May
Jun 87% → May 90% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 87% | 30 |
| July 2025 | 65% | 31 |
| August 2025 | 87% | 31 |
| September 2025 | 90% | 29 |
| October 2025 | 87% | 31 |
| November 2025 | 79% | 28 |
| December 2025 | 56% | 27 |
| January 2026 | 68% | 25 |
| February 2026 | 64% | 25 |
| March 2026 | 67% | 21 |
| April 2026 | 80% | 25 |
| May 2026 | 90% | 29 |
- Departures on time
- 77%
- Diverted
- 1.6%
- Flights flown
- 332
- Months covered
- 12
Keep nerding
Based on 364 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.