Route
TUS → ORD
Tucson International Airport Chicago O'Hare International Airport
How punctual is this route?
- On-time arrivals
- 76.6%
- Less than 15 minutes late
- Cancelled
- 1.3%
- Of scheduled flights
- Average delay when late
- 94 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,066
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 38%
- Late-arriving aircraft 31%
- Air traffic control & airport 24%
- Extreme weather 7%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 68.3% | 60 |
| October 2025 | 73.1% | 68 |
| November 2025 | 73.3% | 90 |
| December 2025 | 79.3% | 88 |
| January 2026 | 79.5% | 84 |
| February 2026 | 87.5% | 80 |
| March 2026 | 75.6% | 93 |
| April 2026 | 72.7% | 114 |
| May 2026 | 78.2% | 113 |
| June 2026 | 79.3% | 90 |
| July 2026 | 79.3% | 93 |
| August 2026 | 72.0% | 93 |
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 |
|---|---|---|---|---|
| American Airlines | 508 | 76.2% | 1.0% | 115 min |
| SkyWest Airlines | 462 | 76.4% | 1.9% | 70 min |
| United Airlines | 77 | 75.3% | 0.0% | 99 min |
| Envoy Air | 19 | 100.0% | 0.0% | — |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
OO5767
26% late · 135 flights
-
AA3128
25% late · 116 flights
-
AA2675
12% late · 103 flights
-
OO5635
11% late · 99 flights
-
AA2537
36% late · 89 flights
-
AA2867
25% late · 76 flights
-
OO5904
35% late · 52 flights
-
OO5266
23% late · 47 flights
-
AA552
16% late · 44 flights
-
AA3066
29% late · 43 flights
-
AA1582
23% late · 36 flights
-
OO4672
15% late · 35 flights
-
OO5437
28% late · 32 flights
-
UA1989
32% late · 31 flights
-
UA1317
17% late · 23 flights
-
UA636
22% late · 23 flights
-
OO5490
48% late · 21 flights
-
OO5557
15% late · 21 flights
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