About 1 in 4 DL 381 flights from Austin arrived 15+ minutes late, diverted or cancelled over the past year (27%); 1.4% were cancelled. The typical flight landed 4 minutes early.
DL 381: AUS → SFO
Scheduled to leave Austin at 7:10 a.m. local time. Over the past year it arrived on time 73% of the time (365 flights), better than other DL flights on the route at that hour (68%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 53 | 75% |
| Tuesday | 52 | 73% |
| Wednesday | 52 | 71% |
| Thursday | 52 | 77% |
| Friday | 52 | 79% |
| Saturday | 52 | 77% |
| Sunday | 52 | 62% |
Why it was late
All flights AUS → SFO · Connecting off DL 381? Check the risk
DL 381: SFO → AUS
Scheduled to leave San Francisco at 1:57 p.m. local time. Over the past year it arrived on time 70% of the time (365 flights), better than other DL flights on the route at that hour (65%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 53 | 58% |
| Tuesday | 52 | 83% |
| Wednesday | 52 | 67% |
| Thursday | 52 | 73% |
| Friday | 52 | 73% |
| Saturday | 52 | 73% |
| Sunday | 52 | 63% |
Why it was late
All flights SFO → AUS · Connecting off DL 381? Check the risk
Questions
How often is DL 381 from AUS to SFO late?
Delta Air Lines 381 from Austin, TX to San Francisco, CA arrived 15 or more minutes late, was diverted or was cancelled on 27% of 365 scheduled flights between September 2025 and August 2026. 1.4% were cancelled.
How often is DL 381 from SFO to AUS late?
Delta Air Lines 381 from San Francisco, CA to Austin, TX arrived 15 or more minutes late, was diverted or was cancelled on 30% of 365 scheduled flights between September 2025 and August 2026. 1.6% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Delta Air Lines for today's flight. Method.