AS506 SAN → IAD
Alaska Airlines · San Diego, CA to Washington, DC · 167 flights observed, 2025-12-18 to 2026-06-30 · 2,253 mi
AS506 covers more than one route in the data window — the stats below are for SAN → IAD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
90%
Median delay
-16 min
90th percentile
+16 min
Cancellation rate
1%
How often is AS506 on time?
Across 167 flights on SAN → IAD from 2025-12-18 to 2026-06-30, AS506 arrived within 15 minutes of schedule 90% of the time. The median arrival delay was -16 min, and the worst 10% of flights arrived +16 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 | 148 | 90% |
| 16-30 min | 10 | 6% |
| 31-60 min | 5 | 3% |
| 61-120 min | 1 | 1% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 14 | 93% | -14 min |
| 2026-01 | 29 | 90% | -8 min |
| 2026-02 | 28 | 93% | -16 min |
| 2026-03 | 31 | 81% | +2 min |
| 2026-04 | 30 | 97% | -17 min |
| 2026-05 | 12 | 92% | -19 min |
| 2026-06 | 21 | 86% | -13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 24 | 79% |
| Tue | 24 | 92% |
| Wed | 23 | 100% |
| Thu | 24 | 92% |
| Fri | 24 | 96% |
| Sat | 24 | 83% |
| Sun | 22 | 86% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…