Flight OddsUnited Airlines · San Francisco, CA to Atlanta, GA · 110 flights observed, 2026-02-12 to 2026-06-30 · 2,139 mi
UA1603 covers more than one route in the data window — the stats below are for SFO → ATL, the one it has flown most recently. The others are linked under “Other routes”.
How often is UA1603 on time?
Across 110 flights on SFO → ATL from 2026-02-12 to 2026-06-30, UA1603 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +16 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 96 | 88% |
| 16-30 min | 6 | 6% |
| 31-60 min | 3 | 3% |
| 61-120 min | 1 | 1% |
| 2+ hrs | 3 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 15 | 93% | 0 min |
| 2026-03 | 22 | 82% | +1 min |
| 2026-04 | 26 | 96% | -17 min |
| 2026-05 | 19 | 79% | +4 min |
| 2026-06 | 27 | 89% | 0 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 20 | 100% |
| Tue | 6 | 83% |
| Wed | 18 | 94% |
| Thu | 20 | 90% |
| Fri | 17 | 82% |
| Sat | 8 | 100% |
| Sun | 20 | 70% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…