Flight OddsUA4552 IAD → BTV
United Airlines · Washington, DC to Burlington, VT · 50 flights observed, 2026-01-06 to 2026-03-04 · 441 mi
UA4552 covers more than one route in the data window — the stats below are for IAD → BTV, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
79%
Median delay
-9 min
90th percentile
+74 min
Cancellation rate
6%
How often is UA4552 on time?
Across 50 flights on IAD → BTV from 2026-01-06 to 2026-03-04, UA4552 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +74 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 37 | 79% |
| 16-30 min | 1 | 2% |
| 31-60 min | 2 | 4% |
| 61-120 min | 5 | 11% |
| 2+ hrs | 2 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 20 | 75% | +10 min |
| 2026-02 | 23 | 78% | +11 min |
| 2026-03 | 4 | 100% | +6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 83% |
| Tue | 9 | 89% |
| Wed | 7 | 57% |
| Thu | 7 | 71% |
| Fri | 8 | 88% |
| Sat | 3 | 67% |
| Sun | 7 | 86% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…