Flight OddsDL851 IAH → LGA
Delta Air Lines · Houston, TX to New York, NY · 62 flights observed, 2026-01-05 to 2026-03-07 · 1,416 mi
DL851 covers more than one route in the data window — the stats below are for IAH → LGA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
83%
Median delay
-8 min
90th percentile
+78 min
Cancellation rate
6%
How often is DL851 on time?
Across 62 flights on IAH → LGA from 2026-01-05 to 2026-03-07, DL851 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +78 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 | 48 | 83% |
| 16-30 min | 1 | 2% |
| 31-60 min | 2 | 3% |
| 61-120 min | 3 | 5% |
| 2+ hrs | 4 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 26 | 88% | -4 min |
| 2026-02 | 26 | 73% | +23 min |
| 2026-03 | 6 | 100% | +4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 75% |
| Tue | 9 | 89% |
| Wed | 9 | 89% |
| Thu | 9 | 78% |
| Fri | 9 | 89% |
| Sat | 8 | 63% |
| Sun | 6 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…