Flight OddsUA2634 ATL → IAD
United Airlines · Atlanta, GA to Washington, DC · 312 flights observed, 2025-07-01 to 2026-06-30 · 534 mi
UA2634 covers more than one route in the data window — the stats below are for ATL → IAD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
78%
Median delay
-5 min
90th percentile
+68 min
Cancellation rate
0%
How often is UA2634 on time?
Across 312 flights on ATL → IAD from 2025-07-01 to 2026-06-30, UA2634 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +68 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 242 | 78% |
| 16-30 min | 14 | 5% |
| 31-60 min | 19 | 6% |
| 61-120 min | 23 | 7% |
| 2+ hrs | 13 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 26 | 62% | +53 min |
| 2025-08 | 28 | 64% | +23 min |
| 2025-09 | 29 | 83% | +4 min |
| 2025-10 | 27 | 89% | 0 min |
| 2025-11 | 26 | 85% | +8 min |
| 2025-12 | 15 | 93% | -7 min |
| 2026-01 | 21 | 90% | -8 min |
| 2026-02 | 24 | 88% | +2 min |
| 2026-03 | 31 | 74% | +14 min |
| 2026-04 | 29 | 90% | -2 min |
| 2026-05 | 29 | 62% | +22 min |
| 2026-06 | 26 | 65% | +11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 49 | 84% |
| Tue | 51 | 86% |
| Wed | 50 | 78% |
| Thu | 48 | 69% |
| Fri | 48 | 69% |
| Sat | 17 | 100% |
| Sun | 48 | 73% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…