Flight OddsUnited Airlines · San Francisco, CA to New Orleans, LA · 35 flights observed, 2025-10-26 to 2025-12-01 · 1,911 mi
UA1639 covers more than one route in the data window — the stats below are for SFO → MSY, the one it has flown most recently. The others are linked under “Other routes”.
How often is UA1639 on time?
Across 35 flights on SFO → MSY from 2025-10-26 to 2025-12-01, UA1639 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +8 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 | 32 | 91% |
| 16-30 min | 3 | 9% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 100% | -13 min |
| 2025-11 | 28 | 89% | -4 min |
| 2025-12 | 1 | 100% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 100% |
| Tue | 5 | 100% |
| Wed | 5 | 60% |
| Thu | 5 | 100% |
| Fri | 5 | 80% |
| Sat | 3 | 100% |
| 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…