Flight OddsDL1155 SEA → PHX
Delta Air Lines · Seattle, WA to Phoenix, AZ · 171 flights observed, 2025-07-01 to 2025-12-19 · 1,107 mi
DL1155 covers more than one route in the data window — the stats below are for SEA → PHX, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
83%
Median delay
-9 min
90th percentile
+35 min
Cancellation rate
1%
How often is DL1155 on time?
Across 171 flights on SEA → PHX from 2025-07-01 to 2025-12-19, DL1155 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +35 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 | 140 | 83% |
| 16-30 min | 9 | 5% |
| 31-60 min | 9 | 5% |
| 61-120 min | 3 | 2% |
| 2+ hrs | 7 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 94% | -5 min |
| 2025-08 | 31 | 77% | +2 min |
| 2025-09 | 29 | 90% | +4 min |
| 2025-10 | 31 | 81% | +2 min |
| 2025-11 | 28 | 79% | +7 min |
| 2025-12 | 18 | 78% | +1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 23 | 83% |
| Tue | 25 | 96% |
| Wed | 25 | 84% |
| Thu | 24 | 63% |
| Fri | 24 | 79% |
| Sat | 24 | 96% |
| Sun | 23 | 83% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…