Flight OddsDL4920 DTW → BHM
Delta Air Lines · Detroit, MI to Birmingham, AL · 48 flights observed, 2025-08-10 to 2025-10-05 · 625 mi
DL4920 covers more than one route in the data window — the stats below are for DTW → BHM, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
83%
Median delay
-4 min
90th percentile
+21 min
Cancellation rate
0%
How often is DL4920 on time?
Across 48 flights on DTW → BHM from 2025-08-10 to 2025-10-05, DL4920 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +21 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 40 | 83% |
| 16-30 min | 4 | 8% |
| 31-60 min | 4 | 8% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 18 | 83% | +1 min |
| 2025-09 | 26 | 92% | -4 min |
| 2025-10 | 4 | 25% | +24 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 88% |
| Tue | 8 | 100% |
| Wed | 8 | 63% |
| Thu | 8 | 88% |
| Fri | 8 | 75% |
| Sat | No data | — |
| Sun | 8 | 88% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…