Flight OddsDL851 LGA → IAH
Delta Air Lines · New York, NY to Houston, TX · 17 flights observed, 2026-02-12 to 2026-03-06 · 1,416 mi
DL851 covers more than one route in the data window — the stats below are for LGA → IAH, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
93%
Median delay
-14 min
90th percentile
+12 min
Cancellation rate
12%
How often is DL851 on time?
Across 17 flights on LGA → IAH from 2026-02-12 to 2026-03-06, DL851 arrived within 15 minutes of schedule 93% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +12 min or later. 12% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 14 | 93% |
| 16-30 min | 0 | 0% |
| 31-60 min | 1 | 7% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 10 | 100% | -17 min |
| 2026-03 | 5 | 80% | +0 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 2 | 100% |
| Tue | 2 | 100% |
| Wed | 3 | 100% |
| Thu | 4 | 100% |
| Fri | 4 | 75% |
| Sat | No data | — |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…