Flight OddsDL514 BOS → PHX
Delta Air Lines · Boston, MA to Phoenix, AZ · 358 flights observed, 2025-07-01 to 2026-06-30 · 2,300 mi
DL514 covers more than one route in the data window — the stats below are for BOS → PHX, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
68%
Median delay
+1 min
90th percentile
+48 min
Cancellation rate
1%
How often is DL514 on time?
Across 358 flights on BOS → PHX from 2025-07-01 to 2026-06-30, DL514 arrived within 15 minutes of schedule 68% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +48 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 | 239 | 68% |
| 16-30 min | 53 | 15% |
| 31-60 min | 30 | 9% |
| 61-120 min | 15 | 4% |
| 2+ hrs | 13 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 46% | +26 min |
| 2025-08 | 29 | 62% | +22 min |
| 2025-09 | 28 | 61% | +23 min |
| 2025-10 | 31 | 71% | +14 min |
| 2025-11 | 29 | 69% | +11 min |
| 2025-12 | 28 | 36% | +25 min |
| 2026-01 | 29 | 72% | +8 min |
| 2026-02 | 26 | 69% | -4 min |
| 2026-03 | 31 | 94% | -9 min |
| 2026-04 | 30 | 97% | -10 min |
| 2026-05 | 31 | 65% | +11 min |
| 2026-06 | 30 | 73% | +7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 50 | 70% |
| Tue | 52 | 65% |
| Wed | 48 | 73% |
| Thu | 48 | 71% |
| Fri | 50 | 62% |
| Sat | 52 | 67% |
| Sun | 50 | 70% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…