Flight OddsDelta Air Lines · Dallas/Fort Worth, TX to Boston, MA · 292 flights observed, 2025-07-01 to 2026-06-30 · 1,562 mi
DL303 covers more than one route in the data window — the stats below are for DFW → BOS, the one it has flown most recently. The others are linked under “Other routes”.
How often is DL303 on time?
Across 292 flights on DFW → BOS from 2025-07-01 to 2026-06-30, DL303 arrived within 15 minutes of schedule 74% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +64 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 207 | 74% |
| 16-30 min | 22 | 8% |
| 31-60 min | 23 | 8% |
| 61-120 min | 12 | 4% |
| 2+ hrs | 17 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 24 | 46% | +87 min |
| 2025-08 | 19 | 74% | +29 min |
| 2025-09 | 20 | 70% | +57 min |
| 2025-10 | 23 | 61% | +25 min |
| 2025-11 | 22 | 73% | +7 min |
| 2025-12 | 26 | 69% | +10 min |
| 2026-01 | 22 | 86% | -11 min |
| 2026-02 | 21 | 90% | -10 min |
| 2026-03 | 27 | 85% | +3 min |
| 2026-04 | 26 | 81% | +7 min |
| 2026-05 | 24 | 75% | +8 min |
| 2026-06 | 27 | 74% | +11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 46 | 74% |
| Tue | 48 | 65% |
| Wed | 44 | 73% |
| Thu | 45 | 76% |
| Fri | 45 | 91% |
| Sat | 9 | 56% |
| Sun | 44 | 68% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…