The flight that is late 61% of the time: United 1182, Columbus to Chicago
Published 2026-11-07 · By Pushbuild · Data: Airline On-Time Performance API – US Flight Delays and Cancellations
United 1182 from Columbus to O'Hare arrived 15+ minutes late on 61.2% of its 389 flights since January 2025, averaging 53.9 minutes late. Frontier 3288, Atlanta to LaGuardia, averaged 62.2 minutes late.
“Airline on-time data are reported in 2021 to the U.S. Department of Transportation (DOT), Bureau of Transportation Statistics (BTS) by the 17 U.S. air carriers that have at least 0.5 percent of total domestic scheduled-service passenger revenues.”
— Bureau of Transportation Statistics, Airline On-Time Statistics
| Flight | Route | Flights | Late 15+ | Avg delay (min) |
|---|---|---|---|---|
| UA 1182 | CMH–ORD | 389 | 61.2% | 53.9 |
| UA 1267 | LAS–SFO | 275 | 60.7% | 37.4 |
| AA 662 | DFW–DEN | 357 | 60.2% | 40.6 |
| AA 3207 | DCA–BOS | 262 | 59.9% | 53.7 |
| F9 3288 | ATL–LGA | 523 | 59.1% | 62.2 |
| AA 2186 | DFW–MCO | 451 | 58.5% | 39.8 |
| AA 391 | DFW–ALB | 304 | 57.6% | 62.9 |
| AA 1322 | DEN–DFW | 358 | 57.5% | 57.3 |
| OH 5284 | DAY–DCA | 281 | 56.6% | 52.8 |
| AA 2937 | DFW–FSD | 280 | 56.4% | 56.4 |
| AA 3253 | ORD–EWR | 261 | 56.3% | 45.4 |
| OO 5961 | SMF–SFO | 432 | 56.0% | 35.8 |
| UA 254 | EWR–ORD | 493 | 56.0% | 43.3 |
| AA 2235 | DFW–DEN | 435 | 55.6% | 43.4 |
| AA 2974 | DFW–MCO | 324 | 55.6% | 39.5 |
Caveats
Flight numbers that operated 250+ times on the same route; cancelled flights excluded.
Sources
- Bureau of Transportation Statistics, Airline On-Time Statistics, read through the Pushbuild Airline On-Time Performance API on 2026-11-07
Data as of 2026-11-07. Every figure in this post is in the table above and the CSV below.
Download the data behind this post: b3-most-often-late-flights-2025-26.csv
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Every number in this post comes from the Airline On-Time Performance API – US Flight Delays and Cancellations. $0.0008 per row returned; every key gets $1 of free usage each month.
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