Flight OddsPHX → BOS Delta Air Lines
Delta Air Lines · Phoenix, AZ to Boston, MA · 428 flights, 2025-07-01 to 2026-06-30 · aggregated across 9 flight numbers
On-time arrival
78%
Median delay
-5 min
90th percentile
+54 min
Cancellation rate
2%
How on-time is Delta Air Lines from PHX to BOS?
Across every Delta Air Lines flight number on PHX → BOS (428 flights, 2025-07-01 to 2026-06-30), 78% arrived within 15 minutes of schedule. Median arrival delay -5 min; the worst 10% ran +54 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 325 | 78% |
| 16-30 min | 33 | 8% |
| 31-60 min | 22 | 5% |
| 61-120 min | 20 | 5% |
| 2+ hrs | 18 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 68% | +2 min |
| 2025-08 | 31 | 84% | +62 min |
| 2025-09 | 30 | 83% | +22 min |
| 2025-10 | 31 | 61% | +33 min |
| 2025-11 | 29 | 59% | +33 min |
| 2025-12 | 38 | 79% | +2 min |
| 2026-01 | 31 | 71% | +8 min |
| 2026-02 | 37 | 84% | +12 min |
| 2026-03 | 49 | 78% | +5 min |
| 2026-04 | 49 | 76% | +2 min |
| 2026-05 | 35 | 94% | -9 min |
| 2026-06 | 30 | 93% | +28 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 64 | 83% |
| Tue | 54 | 81% |
| Wed | 52 | 75% |
| Thu | 63 | 70% |
| Fri | 63 | 75% |
| Sat | 59 | 88% |
| Sun | 63 | 73% |
DL flight numbers on PHX → BOS
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…