DL1639 CLT → DTW
Delta Air Lines · Charlotte, NC to Detroit, MI · 275 flights observed, 2025-07-06 to 2026-06-26 · 500 mi
DL1639 covers more than one route in the data window — the stats below are for CLT → DTW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
92%
Median delay
-17 min
90th percentile
+11 min
Cancellation rate
1%
How often is DL1639 on time?
Across 275 flights on CLT → DTW from 2025-07-06 to 2026-06-26, DL1639 arrived within 15 minutes of schedule 92% of the time. The median arrival delay was -17 min, and the worst 10% of flights arrived +11 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 249 | 92% |
| 16-30 min | 8 | 3% |
| 31-60 min | 5 | 2% |
| 61-120 min | 5 | 2% |
| 2+ hrs | 4 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 26 | 88% | +4 min |
| 2025-08 | 27 | 93% | -10 min |
| 2025-09 | 25 | 96% | -22 min |
| 2025-10 | 27 | 93% | -13 min |
| 2025-11 | 24 | 92% | -16 min |
| 2025-12 | 16 | 88% | -13 min |
| 2026-01 | 24 | 96% | -15 min |
| 2026-02 | 26 | 96% | -11 min |
| 2026-03 | 28 | 86% | +13 min |
| 2026-04 | 25 | 96% | -10 min |
| 2026-05 | 5 | 80% | -4 min |
| 2026-06 | 18 | 89% | -8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 43 | 88% |
| Tue | 45 | 89% |
| Wed | 45 | 89% |
| Thu | 43 | 98% |
| Fri | 42 | 90% |
| Sat | 12 | 92% |
| Sun | 41 | 98% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…