Flight OddsUA4270 IAD → MHT
United Airlines · Washington, DC to Manchester, NH · 23 flights observed, 2026-05-21 to 2026-06-28 · 418 mi
UA4270 covers more than one route in the data window — the stats below are for IAD → MHT, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
91%
Median delay
-17 min
90th percentile
+4 min
Cancellation rate
4%
How often is UA4270 on time?
Across 23 flights on IAD → MHT from 2026-05-21 to 2026-06-28, UA4270 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -17 min, and the worst 10% of flights arrived +4 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 | 20 | 91% |
| 16-30 min | 0 | 0% |
| 31-60 min | 0 | 0% |
| 61-120 min | 1 | 5% |
| 2+ hrs | 1 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 7 | 100% | -14 min |
| 2026-06 | 15 | 87% | -1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 6 | 83% |
| Fri | 6 | 83% |
| Sat | 6 | 100% |
| Sun | 4 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…