Route on-time record
DAL to SJC: most on-time flights and the best time to fly
Dallas (Dallas Love Field) to San Jose (Norman Y. Mineta San Jose International Airport). 487 nonstop flights in Jun 2025 to May 2026, 70% arrived within 15 minutes and 2.3% were cancelled. The most reliable flight number was Southwest 2472 at 7:35 PM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
DAL → SJC
Dallas to San Jose: 487 nonstop flights a year
On time (12 months)
70%
Cancelled
2.3%
avg delay 16 min
Best time to leave
Before 9 AM
87% on time vs 54% after 9 PM
Most reliable airline
Southwest
68% chance on time
Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Most reliable nonstop flights
Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.
#1 · Southwest 2472
7:35 PM → 9:25 PM3h 50m nonstop
Local times, typical schedule. Last flown 2026-04-01.
73%
chance on time
- On time (history)
- 100%
- Cancelled
- 0.0%
- Avg arrival delay
- 1 min
- Arrived on time 100% of the time (8 flights, Jun 2025 to May 2026).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 2472 fares Opens this date on Aviasales#2 · Southwest 1924
6:20 PM → 8:05 PM3h 45m nonstop
Local times, typical schedule. Last flown 2026-05-30.
71%
chance on time
- On time (history)
- 88%
- Cancelled
- 0.0%
- Avg arrival delay
- 3 min
- Arrived on time 88% of the time (8 flights, Jun 2025 to May 2026).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 1924 fares Opens this date on Aviasales#3 · Southwest 3782
8:30 PM → 10:25 PM3h 55m nonstop
Local times, typical schedule. Last flown 2026-04-06.
67%
chance on time
- On time (history)
- 76%
- Cancelled
- 0.0%
- Avg arrival delay
- 14 min
- Arrived on time 76% of the time (25 flights, Jun 2025 to May 2026).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
- 60% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (25 flights), so its score leans on the airline's record at this hour.
Limited track record · 25 flights
Find Southwest 3782 fares Opens this date on Aviasales#4 · Southwest 1687
9:20 PM → 11:00 PM3h 40m nonstop
Local times, typical schedule. Last flown 2026-05-29.
54%
chance on time
- On time (history)
- 41%
- Cancelled
- 5.1%
- Avg arrival delay
- 26 min
- Arrived on time 41% of the time (37 flights, Jun 2025 to May 2026).
- Cancelled 5.1% of the time (2 of 39).
- Leaves in this route's least on-time window (After 9 PM: 54% on time; Before 9 AM: 87%).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
Limited track record · 37 flights
Find Southwest 1687 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Southwest Airlines68%
487 flights · 70% on time as flown · 2.3% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM87%
100 flights · avg delay 7 min
- 3 to 6 PM79%
76 flights · avg delay 11 min
- 6 to 9 PM63%
212 flights · avg delay 21 min
- After 9 PM54%
76 flights · avg delay 21 min
Best day: Friday (82%). Worst: Monday (71%).
On time by month
All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.
What delays this route
- Late-arriving aircraft65%
- Airline (crew, maintenance, boarding)28%
- Air traffic control and airport volume6%
- Severe weather1%
Share of delay minutes by the cause airlines report to the US DOT.
Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure
DAL to SJC questions
- What time of day is best to fly DAL to SJC?
- Before 9 AM: 87% of flights arrived on time, against 54% for departures after 9 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
- Which airline is most on time from DAL to SJC?
- Southwest, with a season-adjusted 68% chance of operating and arriving on time over 487 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
- What is the worst month for delays on DAL to SJC?
- July (66% on time); the best was November (84%), averaged over Jun 2023 to May 2026.
- Is this a prediction for my flight?
- No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.
More routes from DAL
- SJC to DAL (return)
- DAL to HOU 74%
- DAL to ATL 79%
- DAL to DEN 69%
- DAL to PHX 76%
- DAL to LAS 76%
- DAL to SAT 79%
- DAL to MCO 71%
- DAL to BNA 73%
- DAL to AUS 78%
- DAL to MSY 76%
- DAL to MDW 71%
- DAL to MCI 76%
Live status: FAA delays and ground stops