Route
MSY → ORD
Louis Armstrong New Orleans International Airport Chicago O'Hare International Airport
How punctual is this route?
- On-time arrivals
- 77.7%
- Less than 15 minutes late
- Cancelled
- 2.6%
- Of scheduled flights
- Average delay when late
- 97 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,424
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 35%
- Airline (crew, maintenance, cleaning) 31%
- Air traffic control & airport 29%
- Extreme weather 5%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 93.6% | 142 |
| October 2025 | 78.7% | 235 |
| November 2025 | 77.3% | 217 |
| December 2025 | 76.2% | 185 |
| January 2026 | 79.4% | 199 |
| February 2026 | 81.7% | 220 |
| March 2026 | 74.4% | 248 |
| April 2026 | 70.9% | 226 |
| May 2026 | 84.4% | 184 |
| June 2026 | 68.0% | 206 |
| July 2026 | 79.2% | 182 |
| August 2026 | 73.7% | 180 |
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 |
|---|---|---|---|---|
| United Airlines | 843 | 82.5% | 1.4% | 85 min |
| Envoy Air | 463 | 81.4% | 1.9% | 73 min |
| American Airlines | 425 | 67.8% | 3.1% | 149 min |
| Republic Airways | 396 | 78.6% | 3.0% | 80 min |
| NK | 190 | 72.2% | 7.4% | 79 min |
| SkyWest Airlines | 96 | 69.1% | 2.1% | 70 min |
| Frontier Airlines | 11 | 63.6% | 0.0% | 69 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA1495
24% late · 139 flights
-
NK391
34% late · 107 flights
-
UA310
13% late · 92 flights
-
MQ4152
23% late · 85 flights
-
UA1301
34% late · 77 flights
-
AA2198
58% late · 76 flights
-
YX4748
13% late · 76 flights
-
AA2872
22% late · 53 flights
-
UA2488
8% late · 53 flights
-
MQ3722
6% late · 52 flights
-
UA1580
7% late · 48 flights
-
UA1830
15% late · 48 flights
-
UA2179
21% late · 47 flights
-
UA2420
11% late · 47 flights
-
UA1677
20% late · 45 flights
-
YX4720
42% late · 45 flights
-
AA2743
18% late · 44 flights
-
MQ4177
22% late · 41 flights
-
NK477
20% late · 41 flights
-
YX3597
11% late · 40 flights
-
MQ3593
17% late · 37 flights
-
MQ4201
28% late · 37 flights
-
UA2138
11% late · 37 flights
-
MQ3580
19% late · 36 flights
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