DL1259 TUL → ATL
Delta Air Lines · Tulsa, OK to Atlanta, GA · 349 flights observed, 2025-07-01 to 2026-06-30 · 674 mi
DL1259 covers more than one route in the data window — the stats below are for TUL → ATL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
93%
Median delay
-16 min
90th percentile
+10 min
Cancellation rate
3%
How often is DL1259 on time?
Across 349 flights on TUL → ATL from 2025-07-01 to 2026-06-30, DL1259 arrived within 15 minutes of schedule 93% of the time. The median arrival delay was -16 min, and the worst 10% of flights arrived +10 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 310 | 93% |
| 16-30 min | 6 | 2% |
| 31-60 min | 3 | 1% |
| 61-120 min | 6 | 2% |
| 2+ hrs | 10 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 87% | +25 min |
| 2025-08 | 30 | 97% | -12 min |
| 2025-09 | 30 | 93% | -1 min |
| 2025-10 | 31 | 94% | +1 min |
| 2025-11 | 28 | 93% | +0 min |
| 2025-12 | 17 | 82% | +12 min |
| 2026-01 | 24 | 88% | -20 min |
| 2026-02 | 28 | 96% | -11 min |
| 2026-03 | 29 | 93% | +4 min |
| 2026-04 | 30 | 97% | -3 min |
| 2026-05 | 29 | 90% | -10 min |
| 2026-06 | 29 | 97% | -15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 48 | 90% |
| Tue | 49 | 92% |
| Wed | 50 | 98% |
| Thu | 50 | 98% |
| Fri | 47 | 100% |
| Sat | 45 | 80% |
| Sun | 46 | 89% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…