DL1251 ATL → TUS
Delta Air Lines · Atlanta, GA to Tucson, AZ · 328 flights observed, 2025-07-01 to 2026-06-30 · 1,541 mi
DL1251 covers more than one route in the data window — the stats below are for ATL → TUS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
78%
Median delay
-3 min
90th percentile
+37 min
Cancellation rate
2%
How often is DL1251 on time?
Across 328 flights on ATL → TUS from 2025-07-01 to 2026-06-30, DL1251 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +37 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 252 | 78% |
| 16-30 min | 33 | 10% |
| 31-60 min | 20 | 6% |
| 61-120 min | 10 | 3% |
| 2+ hrs | 8 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 63% | +21 min |
| 2025-08 | 30 | 73% | +8 min |
| 2025-09 | 30 | 87% | -1 min |
| 2025-10 | 31 | 71% | +13 min |
| 2025-11 | 29 | 83% | +8 min |
| 2025-12 | 19 | 58% | +22 min |
| 2026-01 | 15 | 67% | +19 min |
| 2026-02 | 20 | 70% | +3 min |
| 2026-03 | 28 | 82% | -5 min |
| 2026-04 | 30 | 93% | -7 min |
| 2026-05 | 31 | 81% | +6 min |
| 2026-06 | 30 | 93% | 0 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 50 | 76% |
| Tue | 45 | 76% |
| Wed | 44 | 82% |
| Thu | 49 | 73% |
| Fri | 48 | 77% |
| Sat | 39 | 92% |
| Sun | 48 | 73% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…