Flight OddsDL2135 ATL → SAT
Delta Air Lines · Atlanta, GA to San Antonio, TX · 45 flights observed, 2026-01-19 to 2026-03-07 · 874 mi
DL2135 covers more than one route in the data window — the stats below are for ATL → SAT, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
88%
Median delay
-8 min
90th percentile
+18 min
Cancellation rate
4%
How often is DL2135 on time?
Across 45 flights on ATL → SAT from 2026-01-19 to 2026-03-07, DL2135 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +18 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 38 | 88% |
| 16-30 min | 1 | 2% |
| 31-60 min | 2 | 5% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 10 | 100% | -2 min |
| 2026-02 | 27 | 89% | -4 min |
| 2026-03 | 6 | 67% | +10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 100% |
| Tue | 7 | 100% |
| Wed | 7 | 100% |
| Thu | 7 | 86% |
| Fri | 5 | 80% |
| Sat | 4 | 75% |
| Sun | 6 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…