Route
DAL → STL
Dallas Love Field St. Louis Lambert International Airport
How punctual is this route?
- On-time arrivals
- 76.2%
- Less than 15 minutes late
- Cancelled
- 1.2%
- Of scheduled flights
- Average delay when late
- 64 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,943
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 60%
- Airline (crew, maintenance, cleaning) 29%
- Air traffic control & airport 7%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 86.6% | 172 |
| October 2025 | 79.9% | 156 |
| November 2025 | 80.8% | 150 |
| December 2025 | 90.2% | 154 |
| January 2026 | 82.7% | 147 |
| February 2026 | 87.2% | 149 |
| March 2026 | 69.5% | 166 |
| April 2026 | 74.7% | 159 |
| May 2026 | 66.9% | 167 |
| June 2026 | 54.2% | 169 |
| July 2026 | 70.5% | 178 |
| August 2026 | 75.0% | 176 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Southwest Airlines | 1,943 | 76.2% | 1.2% | 64 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN2337
18% late · 70 flights
-
WN1080
21% late · 64 flights
-
WN1323
8% late · 62 flights
-
WN1411
21% late · 61 flights
-
WN2334
9% late · 58 flights
-
WN2627
21% late · 58 flights
-
WN3770
7% late · 57 flights
-
WN2063
8% late · 53 flights
-
WN1414
45% late · 52 flights
-
WN4444
42% late · 52 flights
-
WN2740
40% late · 50 flights
-
WN1724
18% late · 46 flights
-
WN1412
31% late · 43 flights
-
WN3447
17% late · 41 flights
-
WN2839
41% late · 38 flights
-
WN2921
43% late · 35 flights
-
WN1347
22% late · 33 flights
-
WN3010
36% late · 33 flights
-
WN1281
10% late · 31 flights
-
WN2332
10% late · 31 flights
-
WN2339
3% late · 31 flights
-
WN3444
19% late · 31 flights
-
WN1249
41% late · 30 flights
-
WN1110
21% late · 28 flights
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