Flight OddsUA637 SYR → IAD
United Airlines · Syracuse, NY to Washington, DC · 20 flights observed, 2026-05-01 to 2026-05-20 · 295 mi
UA637 covers more than one route in the data window — the stats below are for SYR → IAD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
89%
Median delay
-10 min
90th percentile
+12 min
Cancellation rate
5%
How often is UA637 on time?
Across 20 flights on SYR → IAD from 2026-05-01 to 2026-05-20, UA637 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +12 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 17 | 89% |
| 16-30 min | 0 | 0% |
| 31-60 min | 1 | 5% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 19 | 89% | -1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 100% |
| Tue | 3 | 67% |
| Wed | 3 | 100% |
| Thu | 2 | 100% |
| Fri | 2 | 100% |
| Sat | 3 | 67% |
| Sun | 3 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…