Flight OddsDL788 DTW → SAT
Delta Air Lines · Detroit, MI to San Antonio, TX · 340 flights observed, 2025-07-01 to 2026-06-26 · 1,214 mi
DL788 covers more than one route in the data window — the stats below are for DTW → SAT, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
88%
Median delay
-14 min
90th percentile
+21 min
Cancellation rate
1%
How often is DL788 on time?
Across 340 flights on DTW → SAT from 2025-07-01 to 2026-06-26, DL788 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +21 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 | 298 | 88% |
| 16-30 min | 14 | 4% |
| 31-60 min | 13 | 4% |
| 61-120 min | 6 | 2% |
| 2+ hrs | 6 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 93% | -4 min |
| 2025-08 | 31 | 94% | -13 min |
| 2025-09 | 27 | 93% | -9 min |
| 2025-10 | 21 | 81% | -5 min |
| 2025-11 | 26 | 88% | -9 min |
| 2025-12 | 29 | 76% | +1 min |
| 2026-01 | 31 | 68% | +18 min |
| 2026-02 | 28 | 86% | -15 min |
| 2026-03 | 31 | 90% | -16 min |
| 2026-04 | 30 | 97% | -12 min |
| 2026-05 | 31 | 97% | -6 min |
| 2026-06 | 22 | 100% | -9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 49 | 88% |
| Tue | 52 | 94% |
| Wed | 52 | 88% |
| Thu | 52 | 88% |
| Fri | 49 | 86% |
| Sat | 34 | 82% |
| Sun | 49 | 90% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…