Flight Reliability
DL 4652 · Delta Air Lines
CHA → Detroit (CHA–DTW)81% of its flights flew this route. The rest (MSP–JFK) are included in these numbers.
- 89%
- Arrive within 15 minutes
- 5 min early
- Average arrival delay
- 2.2%
- Cancelled
- 14 min early
- Median arrival delay
Based on 320 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
DL 4652 arrived on time 96% of the time on Thursdays and just 77% on Fridays. That gap is worth planning around.
A bit ahead of the CHA–DTW route.
DL 4652 arrived on time 89% of the time, versus 83% across the CHA–DTW route.
Better than the Delta Air Lines network average.
DL 4652 arrived on time 89% of the time, versus 81% across the Delta Air Lines network.
Recent months have been rougher.
DL 4652 arrived on time 82% of the time over the last three months in the data, compared with 90% in the three months before that.
The breakdown
- Mon88%(43 flights)
- Tue91%(44 flights)
- Wed89%(46 flights)
- Thu96%(46 flights)
- Fri77%(44 flights)
- Sat91%(46 flights)
- Sun91%(44 flights)
Jun 100% → May 90% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 100% | 22 |
| July 2025 | 77% | 30 |
| August 2025 | 90% | 31 |
| September 2025 | 100% | 30 |
| October 2025 | 100% | 30 |
| November 2025 | 90% | 29 |
| December 2025 | 90% | 31 |
| January 2026 | 89% | 28 |
| February 2026 | 77% | 26 |
| April 2026 | 78% | 18 |
| May 2026 | 90% | 31 |
- Departures on time
- 90%
- Diverted
- 0%
- Flights flown
- 313
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 320 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.