Route
SAT → ATL
San Antonio International Airport Hartsfield Jackson Atlanta International Airport
How punctual is this route?
- On-time arrivals
- 85.9%
- Less than 15 minutes late
- Cancelled
- 1.7%
- Of scheduled flights
- Average delay when late
- 81 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,962
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 41%
- Late-arriving aircraft 36%
- Air traffic control & airport 19%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 94.6% | 260 |
| October 2025 | 89.1% | 275 |
| November 2025 | 91.8% | 250 |
| December 2025 | 86.9% | 251 |
| January 2026 | 84.5% | 216 |
| February 2026 | 88.4% | 221 |
| March 2026 | 82.9% | 256 |
| April 2026 | 88.6% | 248 |
| May 2026 | 80.0% | 259 |
| June 2026 | 84.0% | 244 |
| July 2026 | 72.1% | 250 |
| August 2026 | 87.3% | 232 |
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 |
|---|---|---|---|---|
| Delta Air Lines | 2,596 | 87.4% | 1.9% | 85 min |
| Southwest Airlines | 292 | 77.8% | 0.3% | 49 min |
| Frontier Airlines | 74 | 68.5% | 0.0% | 119 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
DL1066
7% late · 365 flights
-
DL1073
6% late · 365 flights
-
DL1408
20% late · 330 flights
-
DL998
8% late · 284 flights
-
DL1676
13% late · 254 flights
-
DL2009
22% late · 230 flights
-
DL1465
16% late · 228 flights
-
DL1121
21% late · 156 flights
-
DL1912
8% late · 108 flights
-
DL1979
9% late · 107 flights
-
F94810
32% late · 74 flights
-
DL1312
17% late · 72 flights
-
WN4144
29% late · 49 flights
-
WN3556
47% late · 36 flights
-
DL1935
7% late · 30 flights
-
WN332
32% late · 28 flights
-
WN1255
15% late · 27 flights
-
DL1732
8% late · 24 flights
-
WN4377
0% late · 24 flights
-
DL1061
9% late · 23 flights
-
WN1777
9% late · 23 flights
In the news
More headlines →-
City Council backs $55 million in new Hartsfield-Jackson funding as construction projects multiply
The Business Journals ATL
-
Over 400 flights cancelled due to severe weather at Hartsfield-Jackson Atlanta International Airport, Georgia
The Watchers - Watching the world evolve and transform ATL
-
Hartsfield-Jackson Atlanta International Airport
The Aviation Hub ATL
Headlines found by Google News; stories open on the publisher's site.
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