Flight OddsIAH → CHA United Airlines
United Airlines · Houston, TX to Chattanooga, TN · 186 flights, 2026-03-30 to 2026-06-30 · aggregated across 4 flight numbers
On-time arrival
69%
Median delay
-2 min
90th percentile
+98 min
Cancellation rate
0%
How on-time is United Airlines from IAH to CHA?
Across every United Airlines flight number on IAH → CHA (186 flights, 2026-03-30 to 2026-06-30), 69% arrived within 15 minutes of schedule. Median arrival delay -2 min; the worst 10% ran +98 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 129 | 69% |
| 16-30 min | 13 | 7% |
| 31-60 min | 17 | 9% |
| 61-120 min | 13 | 7% |
| 2+ hrs | 14 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 4 | 75% | +2 min |
| 2026-04 | 60 | 72% | +24 min |
| 2026-05 | 62 | 65% | +41 min |
| 2026-06 | 60 | 72% | +15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 28 | 57% |
| Tue | 28 | 93% |
| Wed | 26 | 81% |
| Thu | 26 | 69% |
| Fri | 26 | 58% |
| Sat | 26 | 65% |
| Sun | 26 | 62% |
UA flight numbers on IAH → CHA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…