Flight OddsDL634 DTW → LAX
Delta Air Lines · Detroit, MI to Los Angeles, CA · 349 flights observed, 2025-07-01 to 2026-06-30 · 1,979 mi
DL634 covers more than one route in the data window — the stats below are for DTW → LAX, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
83%
Median delay
-5 min
90th percentile
+27 min
Cancellation rate
1%
How often is DL634 on time?
Across 349 flights on DTW → LAX from 2025-07-01 to 2026-06-30, DL634 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +27 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 | 287 | 83% |
| 16-30 min | 29 | 8% |
| 31-60 min | 19 | 5% |
| 61-120 min | 11 | 3% |
| 2+ hrs | 1 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 84% | +0 min |
| 2025-08 | 30 | 93% | -5 min |
| 2025-09 | 30 | 80% | +1 min |
| 2025-10 | 31 | 84% | -1 min |
| 2025-11 | 30 | 90% | -2 min |
| 2025-12 | 19 | 74% | +8 min |
| 2026-01 | 27 | 78% | +2 min |
| 2026-02 | 28 | 86% | -11 min |
| 2026-03 | 30 | 87% | -3 min |
| 2026-04 | 30 | 80% | -1 min |
| 2026-05 | 31 | 87% | -3 min |
| 2026-06 | 30 | 67% | +13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 50 | 82% |
| Tue | 50 | 86% |
| Wed | 50 | 90% |
| Thu | 50 | 90% |
| Fri | 49 | 80% |
| Sat | 49 | 86% |
| Sun | 49 | 65% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…