ATIS Alerts Smart Flight Search
Find the flight least likely to be delayed
BetaWe rank real flight numbers by how often they flew and arrived on time over the last 12 months, adjusted for your travel month and departure time, then check nearby airports and calmer connections. US airlines and airports.
DAL → TUL
Dallas to Tulsa: 1,047 nonstop flights a year
On time (12 months)
78%
Cancelled
1.1%
avg delay 13 min
Best time to leave
Before 9 AM
93% on time vs 60% after 9 PM
Most reliable airline
Southwest
78% chance on time
Lowest nonstop fare seen in the next two months: $65 (Southwest 2476 on 2026-11-16). 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 4650
9:00 AM → 10:10 AM1h 10m nonstop
Local times, typical schedule. Last flown 2026-05-30.
85%
chance on time
- On time (history)
- 88%
- Cancelled
- 0.0%
- Avg arrival delay
- 7 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 4650 fares Opens this date on Aviasales#2 · Southwest 1845
10:35 AM → 11:40 AM1h 05m nonstop
Local times, typical schedule. Last flown 2026-04-06.
84%
chance on time
- On time (history)
- 91%
- Cancelled
- 0.0%
- Avg arrival delay
- 3 min
- Arrived on time 91% of the time (23 flights, Jun 2025 to May 2026).
- Departs inside DAL's trouble window: 67% of its 42 ground stops and delay programs started between 10 AM and 4 PM.
- Short track record (23 flights), so its score leans on the airline's record at this hour.
Limited track record · 23 flights
Find Southwest 1845 fares Opens this date on Aviasales#3 · Southwest 1713
5:10 PM → 6:20 PM1h 10m nonstop
Local times, typical schedule. Last flown 2026-05-29. Same departure also flew as Southwest 1827; its record covers all of them.
81%
chance on time
- On time (history)
- 81%
- Cancelled
- 0.0%
- Avg arrival delay
- 13 min
- Arrived on time 81% of the time (59 flights, Jun 2025 to May 2026).
- Never cancelled in 59 scheduled flights.
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
- 52% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 59 flights
Find Southwest 1713 fares Opens this date on Aviasales#4 · Southwest 2495
11:20 AM → 12:30 PM1h 10m nonstop
Local times, typical schedule. Last flown 2026-05-29.
81%
chance on time
- On time (history)
- 83%
- Cancelled
- 0.0%
- Avg arrival delay
- 9 min
- Arrived on time 83% of the time (23 flights, Jun 2025 to May 2026).
- Departs inside DAL's trouble window: 67% of its 42 ground stops and delay programs started between 10 AM and 4 PM.
- Short track record (23 flights), so its score leans on the airline's record at this hour.
Limited track record · 23 flights
Find Southwest 2495 fares Opens this date on Aviasales#5 · Southwest 184
1:30 PM → 2:35 PM1h 05m nonstop
Local times, typical schedule. Last flown 2026-05-27.
77%
chance on time
- On time (history)
- 69%
- Cancelled
- 0.0%
- Avg arrival delay
- 15 min
- Arrived on time 69% of the time (16 flights, Jun 2025 to May 2026).
- Departs inside DAL's trouble window: 67% of its 42 ground stops and delay programs started between 10 AM and 4 PM.
- Short track record (16 flights), so its score leans on the airline's record at this hour.
Limited track record · 16 flights
Find Southwest 184 fares Opens this date on Aviasales#6 · Southwest 199
4:55 PM → 6:05 PM1h 10m nonstop
Local times, typical schedule. Last flown 2026-04-01.
77%
chance on time
- On time (history)
- 100%
- Cancelled
- 0.0%
- Avg arrival delay
- 0 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 199 fares Opens this date on Aviasales#7 · Southwest 3719
4:10 PM → 5:20 PM1h 10m nonstop
Local times, typical schedule. Last flown 2026-05-30.
73%
chance on time
- On time (history)
- 75%
- Cancelled
- 0.0%
- Avg arrival delay
- 9 min
- Arrived on time 75% 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 3719 fares Opens this date on Aviasales#8 · Southwest 3768
8:45 PM → 9:50 PM1h 05m nonstop
Local times, typical schedule. Last flown 2026-04-01.
72%
chance on time
- On time (history)
- 63%
- Cancelled
- 0.0%
- Avg arrival delay
- 11 min
- Arrived on time 63% 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).
- 60% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 3768 fares Opens this date on Aviasales#9 · Southwest 2430
9:45 PM → 10:50 PM1h 05m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Southwest 2701; its record covers all of them.
68%
chance on time
- On time (history)
- 66%
- Cancelled
- 0.0%
- Avg arrival delay
- 19 min
- Arrived on time 66% of the time (70 flights, Jun 2025 to May 2026).
- Never cancelled in 70 scheduled flights.
- Leaves in this route's least on-time window (After 9 PM: 60% on time; Before 9 AM: 93%).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
Moderate track record · 70 flights
Find Southwest 2430 fares Opens this date on Aviasales#10 · Southwest 2146
9:55 PM → 11:00 PM1h 05m nonstop
Local times, typical schedule. Last flown 2026-05-31.
67%
chance on time
- On time (history)
- 50%
- Cancelled
- 0.0%
- Avg arrival delay
- 24 min
- Arrived on time 50% of the time (8 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (After 9 PM: 60% on time; Before 9 AM: 93%).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
- 90% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 8 flights
Find Southwest 2146 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Southwest Airlines78%
1,047 flights · 78% on time as flown · 1.1% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM93%
121 flights · avg delay 4 min
- 9 AM to noon88%
225 flights · avg delay 7 min
- Noon to 3 PM83%
136 flights · avg delay 10 min
- 3 to 6 PM76%
204 flights · avg delay 13 min
- 6 to 9 PM72%
221 flights · avg delay 19 min
- After 9 PM60%
140 flights · avg delay 24 min
Best day: Tuesday (85%). Worst: Thursday (74%).
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